CA2141858C - A system for drawing winners in a lottery - Google Patents
A system for drawing winners in a lotteryInfo
- Publication number
- CA2141858C CA2141858C CA002141858A CA2141858A CA2141858C CA 2141858 C CA2141858 C CA 2141858C CA 002141858 A CA002141858 A CA 002141858A CA 2141858 A CA2141858 A CA 2141858A CA 2141858 C CA2141858 C CA 2141858C
- Authority
- CA
- Canada
- Prior art keywords
- numbers
- register
- random
- lines
- microprocessor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009826 distribution Methods 0.000 claims description 3
- BQYJATMQXGBDHF-UHFFFAOYSA-N difenoconazole Chemical compound O1C(C)COC1(C=1C(=CC(OC=2C=CC(Cl)=CC=2)=CC=1)Cl)CN1N=CN=C1 BQYJATMQXGBDHF-UHFFFAOYSA-N 0.000 description 7
- 238000005266 casting Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
- G07F17/3286—Type of games
- G07F17/329—Regular and instant lottery, e.g. electronic scratch cards
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C15/00—Generating random numbers; Lottery apparatus
- G07C15/006—Generating random numbers; Lottery apparatus electronically
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
- Credit Cards Or The Like (AREA)
Abstract
System for use of a microprocessor for drawing of winners in a lottery with an in advance given dividend, at which each lottery ticket includes at least one counter of bingo type with a number in rows and columns provided numbers as well as for the lottery ticket unique identification. The identification of each lottery ticket and number row of a counter are stored in a first register which is readable by a microprocessor, that a number of number sequences are created and stored in a second register which is readable by a microprocessor, in such a way that each of the number sequences is unique and gives a number of prize-winning rows of numbers among the counters, which number corresponds to the given dividend. One of the number sequences in the second register is selected by a random draw. The microprocessor compares this chosen number sequence with the number rows in the first register and shows the identifications that indicate counters with a prize-winning row of numbers.
Description
WO 94/0373 ~ ~ ~ ~ ~ ~ ~ PCT/SE92/00543 A System for Drawing Winners in a Lottery.
TECHNICAL FIELD
The present invention refers to a system for use of a micro processor at drawing of winners in a lottery with an in advance given dividend, whereby each lottery ticket includes at least one counter of bingo type with a number of numbers provided in rows and columns as well as an identification that is unique for the lottery ticket.
PRIOR ART
At conventional lotteries one simply draws prize tickets from the total number of lottery tickets, until an in advance givennumber of prize tickets has been obtained. The results of such draws are published by means of lottery prize-list.
A disadvantage of usual lotteries is that the excitement moment is short-lived.
Interactive games of bingo type engages the participants considerably more and are therefore experienced as more exciting. A problem at games of bingo type is that the random draw of numbers gives an unpredictable dividend. It is true, that the dividend in long-term can be statistically calcula-ted, but the uncertainty is yet very big before each indivi-dual draw.
THE TECHNICAL PROBLEM
The purpose of the invention is therefore to achieve a system that makes it possible to achieve an in advance given divi dend at games of bingo type.
WO 94/03873 PCT/SE92/0054, 21~r~~~
TECHNICAL FIELD
The present invention refers to a system for use of a micro processor at drawing of winners in a lottery with an in advance given dividend, whereby each lottery ticket includes at least one counter of bingo type with a number of numbers provided in rows and columns as well as an identification that is unique for the lottery ticket.
PRIOR ART
At conventional lotteries one simply draws prize tickets from the total number of lottery tickets, until an in advance givennumber of prize tickets has been obtained. The results of such draws are published by means of lottery prize-list.
A disadvantage of usual lotteries is that the excitement moment is short-lived.
Interactive games of bingo type engages the participants considerably more and are therefore experienced as more exciting. A problem at games of bingo type is that the random draw of numbers gives an unpredictable dividend. It is true, that the dividend in long-term can be statistically calcula-ted, but the uncertainty is yet very big before each indivi-dual draw.
THE TECHNICAL PROBLEM
The purpose of the invention is therefore to achieve a system that makes it possible to achieve an in advance given divi dend at games of bingo type.
WO 94/03873 PCT/SE92/0054, 21~r~~~
2 THE SOLUTTON
For this object the invention is characterized in that the identification of each lottery ticket and number row of a counter are stored in a first register which is readable by a microprocessor, that a number of number sequences are , created and stored in a second register which is readable by a microprocessor, in such a way that each of the number sequences is unique and gives a number of prize-winning rows of numbers among the counters, which number corresponds to the given dividend, that one of the number sequences in the second register is selected by a random draw, and that the microprocessor compares this chosen number sequence with the number rows in the first register and shows the identifica tions that indicate counters with a prize-winning raw of , numbers.
Advantageous variants of the invention are illustrated by the subsequent subclaims.
PREFERRED EMBODIMENTS
The system according to the invent~n is based on the use of the conventional bingo-counter for variation games. Normally such a counter includes 75 numbers distributed in five co lumns with 15 rows each, with numbers 1-15 in the first column, 16-30 in the second column, 31-45 in the third co lump, 46-60 in the fourth column, and 61-75 in the fifth column. The invention is however not limited to this size, but can be modified regarding the number of rows and columns.
There are a total of 50.625 different ways to combine a bingo counter with 75 numbers in five columns. Each lottery ticket includes at least one of these counters. It can manageably be appropriate to use series of for example 10.000 lottery ~,~4~~~~
For this object the invention is characterized in that the identification of each lottery ticket and number row of a counter are stored in a first register which is readable by a microprocessor, that a number of number sequences are , created and stored in a second register which is readable by a microprocessor, in such a way that each of the number sequences is unique and gives a number of prize-winning rows of numbers among the counters, which number corresponds to the given dividend, that one of the number sequences in the second register is selected by a random draw, and that the microprocessor compares this chosen number sequence with the number rows in the first register and shows the identifica tions that indicate counters with a prize-winning raw of , numbers.
Advantageous variants of the invention are illustrated by the subsequent subclaims.
PREFERRED EMBODIMENTS
The system according to the invent~n is based on the use of the conventional bingo-counter for variation games. Normally such a counter includes 75 numbers distributed in five co lumns with 15 rows each, with numbers 1-15 in the first column, 16-30 in the second column, 31-45 in the third co lump, 46-60 in the fourth column, and 61-75 in the fifth column. The invention is however not limited to this size, but can be modified regarding the number of rows and columns.
There are a total of 50.625 different ways to combine a bingo counter with 75 numbers in five columns. Each lottery ticket includes at least one of these counters. It can manageably be appropriate to use series of for example 10.000 lottery ~,~4~~~~
3 . PCT/SE92/005Q3 tickets per series. Then 10.000 of the total number of bingo counters are selected. The counters are each printed and provided with an identification number, so that every lottery ticket in each series has a unique counter and a unique identification number. If several series are present, for example nine, there are therefore 90.000 lottery tickets with nine identical counter series and 90.000 different lottery ticket numbers.
Each lottery ticket number in a series consequently repre-Bents a unique counter. The lottery ticket numbers~and their respective counters are stored in a first register readable by a microprocessor.
Before each draw the prize plan shall be known. OAe can for example choose that there shall be 90 winners per 10.000 lottery tickets. The draw is carried out after finished sale and before the presentation of the draw result. This presen-tation may for example be carried out on TV, in s:.: ch a way that it seems as if the draw, being of bingo character, is done in the moment of broadcasting.'~The presentation can fur-thermore be published in the daily press after the broad-casting.
In a second register readable by a microprocessor, a number of number sequences are stored, which include 17-20 different numbers between 1 and 75. These number sequences are unique and constructed such, that they give an exact number of winners at the use, of 10:000 counters. To satisfy the demand of randomness the number of number sequences for example may include 2.000.
The draw is carried out by randomly selecting a number sequ-WO 94103873 ~ ~ ~ ~ ~ :) ~ PC~'>SE9B/005
Each lottery ticket number in a series consequently repre-Bents a unique counter. The lottery ticket numbers~and their respective counters are stored in a first register readable by a microprocessor.
Before each draw the prize plan shall be known. OAe can for example choose that there shall be 90 winners per 10.000 lottery tickets. The draw is carried out after finished sale and before the presentation of the draw result. This presen-tation may for example be carried out on TV, in s:.: ch a way that it seems as if the draw, being of bingo character, is done in the moment of broadcasting.'~The presentation can fur-thermore be published in the daily press after the broad-casting.
In a second register readable by a microprocessor, a number of number sequences are stored, which include 17-20 different numbers between 1 and 75. These number sequences are unique and constructed such, that they give an exact number of winners at the use, of 10:000 counters. To satisfy the demand of randomness the number of number sequences for example may include 2.000.
The draw is carried out by randomly selecting a number sequ-WO 94103873 ~ ~ ~ ~ ~ :) ~ PC~'>SE9B/005
4 ence among the mentioned 2.000 in the second register. Thus it is entirely random sample that determines which 90 coun-ters per series that is a winning one.
After this draw a computer run takes place in which the selected number sequence is compared to the counters in the first register. In this way prize lottery ticket numbers are successively put together until all prize tickets in alI
series have been obtained.
It is now possible to carry out the presentation of the selected number series, for example in live TV, in such a way that the spectators may get the impression that the draw, of bingo game character, occurs in the moment of broadcas-ting .
The creation of number sequences is carried out by means of random number generator in the computer. At first five lists of random numbers (one per column) are genererated with random mutual order of the numbers 1-15 in the first list, 16-30 in the second list, 31-45 i~ the third list, 46-60 in the fourth list and 61-75 in the fifth list. Subsequently a random number between one and five is genererated. This number determines in which list of random numbers (column) that the last number shall be drawn. Then a suitable number of numbers in each of five lists of random numbers are drawn by means of a new random number between 1-15 for each draw.
This random number points onto a position in the actual list of random numbers. This position contains the number that shall be used in the number sequence. In this way the func-tion of random numbers of the computer is used twice to obtain a drawn number..Furthermore it is provided that the order among the numbers generated is mixed, so that not all ~~~ ~ ~5~
WO 94/3873 , PCT/SE92/00543 t:.:..:.:
numbers from the same column appear consecutively . The dis-tribution of numbers from the different columns is done in an appropriate way in relation to the number of winners, for example a draw of three numbers in column 1, two numbers in
After this draw a computer run takes place in which the selected number sequence is compared to the counters in the first register. In this way prize lottery ticket numbers are successively put together until all prize tickets in alI
series have been obtained.
It is now possible to carry out the presentation of the selected number series, for example in live TV, in such a way that the spectators may get the impression that the draw, of bingo game character, occurs in the moment of broadcas-ting .
The creation of number sequences is carried out by means of random number generator in the computer. At first five lists of random numbers (one per column) are genererated with random mutual order of the numbers 1-15 in the first list, 16-30 in the second list, 31-45 i~ the third list, 46-60 in the fourth list and 61-75 in the fifth list. Subsequently a random number between one and five is genererated. This number determines in which list of random numbers (column) that the last number shall be drawn. Then a suitable number of numbers in each of five lists of random numbers are drawn by means of a new random number between 1-15 for each draw.
This random number points onto a position in the actual list of random numbers. This position contains the number that shall be used in the number sequence. In this way the func-tion of random numbers of the computer is used twice to obtain a drawn number..Furthermore it is provided that the order among the numbers generated is mixed, so that not all ~~~ ~ ~5~
WO 94/3873 , PCT/SE92/00543 t:.:..:.:
numbers from the same column appear consecutively . The dis-tribution of numbers from the different columns is done in an appropriate way in relation to the number of winners, for example a draw of three numbers in column 1, two numbers in
5 column 2, five numbers in column 3, one number in column 4 and three numbers in column 5 give a total of 90 winners.
In this way each number sequence is generated. The computer is now used for going through and ascertain on which number counters there is a horizontal line with five drawn numbers.
If the number of prize counters corresponds to the given dividend this number sequence is accepted, in other case it is rejected. In this way accepted number sequences are ge-nererated until the numbers forma statistical d:lstribution ( number in relation to the number of lottery tickets in each series.
After a finished lottery round the selected number sequence is erased from the other register. A new .draw sequence is instead created in the above described way, so that before each lottery round there is always available the amount of sequences determined in advance to choose among.
The system according to the invention is very flexible and can easily be adapted to various average distributions of dividend.
The invention is not limited to the above described embodi-ments, but several variants are conceivable within the scope of subsequent claims. For example counters with more or fewer numbars than described above can be used.
In this way each number sequence is generated. The computer is now used for going through and ascertain on which number counters there is a horizontal line with five drawn numbers.
If the number of prize counters corresponds to the given dividend this number sequence is accepted, in other case it is rejected. In this way accepted number sequences are ge-nererated until the numbers forma statistical d:lstribution ( number in relation to the number of lottery tickets in each series.
After a finished lottery round the selected number sequence is erased from the other register. A new .draw sequence is instead created in the above described way, so that before each lottery round there is always available the amount of sequences determined in advance to choose among.
The system according to the invention is very flexible and can easily be adapted to various average distributions of dividend.
The invention is not limited to the above described embodi-ments, but several variants are conceivable within the scope of subsequent claims. For example counters with more or fewer numbars than described above can be used.
Claims (7)
1. A method for (a) producing bingo type lottery tickets; each with a unique counter comprising a quantity of different numbers arranged in lines and columns and with a unique identity for each ticket, and (b) drawing randomly selected winners, according to an in advance given dividend, using a microprocessor, and (c) presenting the selected winning tickets, characterized in (d) that the identity and number lines of each lottery ticket are stored in a first register which is readable by the microprocessor, (e) that the tickets are printed in accordance with number data and identity data stored in said first register, (f) that a quantity of unique number sequences are stored in a second register which is readable by the microprocessor, corresponding to the in advance given dividend, (g) that one number sequence is selected by a random draw among said stored number sequences in the second register, (h) that the selected number sequence from the second register is compared by the microprocessor to the number lines in the first register, (i) that the number lines that comprise numbers in the selected number sequence are sorted out by the microprocessor, and (h) that the tickets with the selected winning number lines and their identity are presented.
2. A method according to claim 1, characterized in that the numbers in the randomly drawn number sequence are presented one by one in a bingo-manner.
3. A method according to claim 1 or 2, characterized in, that the first register contains all possible different number lines.
4. A method according to claim 1 or 2, characterized in that the first register contains a selected quantity of number lines.
5. A method according to any of the claims 1 to 4, characterized in that the second register comprises at least so many number sequences, that the number sequences form a statistical distribution amount in relation to the quantity of number lines.
6. A method according to any of preceding claims, characterized in that each number sequence is created with consideration to the quantity of number lines, to the number of winners in the given dividend and to how long the number sequence must be to indicate winning number lines.
7. A method according to claim 6, wherein the ticket includes the numbers 1-75, arranged in five columns, characterized in that each number sequence is created by means of the internal random number generator of a computer, wherein a number of lists of random numbers are generated to correspond to the number columns in the ticket, with random mutual order of the numbers 1-15 in the first list, 16-30 in the second list, 31-45 in the third the list, 46-60 in the fourth list and 61-75 in the fifth list, that a random number between one and five is generated, which number determines in which list of random numbers the last number shall be drawn, that one to five numbers are drawn in each of the lists of random numbers by means of a new random number between 1-15 for each draw, which random number points onto a position in the current list of random numbers, so that this position contains the number that shall be used in the number sequence.
Priority Applications (17)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU9500355A HU213439B (en) | 1992-08-07 | 1992-08-07 | Method of drawing winners in a lottery |
| JP6505216A JPH08503085A (en) | 1992-08-07 | 1992-08-07 | Lottery system |
| PL92307306A PL170662B1 (en) | 1992-08-07 | 1992-08-07 | Toolroom microscope |
| CA002141858A CA2141858C (en) | 1992-08-07 | 1992-08-07 | A system for drawing winners in a lottery |
| PCT/SE1992/000543 WO1994003873A1 (en) | 1992-08-07 | 1992-08-07 | A system for drawing winners in a lottery |
| CS95312A CZ284351B6 (en) | 1992-08-07 | 1992-08-07 | Method of drawing winners in a lottery with predetermined dividend |
| AU25961/92A AU673806B2 (en) | 1992-08-07 | 1992-08-07 | A system for drawing winners in a lottery |
| DK92920180.4T DK0647341T3 (en) | 1992-08-07 | 1992-08-07 | Winning draw system in a lottery |
| BR9207153A BR9207153A (en) | 1992-08-07 | 1992-08-07 | System to draw winners in a lottery |
| US08/382,020 US5601287A (en) | 1992-08-07 | 1992-08-07 | System for drawing winners in a lottery |
| ES92920180T ES2103380T3 (en) | 1992-08-07 | 1992-08-07 | PROCEDURE FOR THE EXTRACTION OF WINNERS IN A LOTTERY. |
| DE69219483T DE69219483T2 (en) | 1992-08-07 | 1992-08-07 | SYSTEM FOR DRAWING LOTTERY WINNERS |
| EP92920180A EP0647341B1 (en) | 1992-08-07 | 1992-08-07 | A system for drawing winners in a lottery |
| NZ248327A NZ248327A (en) | 1992-08-07 | 1993-08-04 | Using a microprocessor to draw numbers in a lottery |
| FI950430A FI950430A0 (en) | 1992-08-07 | 1995-02-01 | A method of raising winners in a lottery |
| NO950419A NO308088B1 (en) | 1992-08-07 | 1995-02-06 | Winning draw system in a lottery |
| GR970401892T GR3024246T3 (en) | 1992-08-07 | 1997-07-25 | A system for drawing winners in a lottery. |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002141858A CA2141858C (en) | 1992-08-07 | 1992-08-07 | A system for drawing winners in a lottery |
| PCT/SE1992/000543 WO1994003873A1 (en) | 1992-08-07 | 1992-08-07 | A system for drawing winners in a lottery |
| CS95312A CZ284351B6 (en) | 1992-08-07 | 1992-08-07 | Method of drawing winners in a lottery with predetermined dividend |
| HU9500355A HU213439B (en) | 1992-08-07 | 1992-08-07 | Method of drawing winners in a lottery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2141858A1 CA2141858A1 (en) | 1994-02-17 |
| CA2141858C true CA2141858C (en) | 1999-09-28 |
Family
ID=27427206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002141858A Expired - Fee Related CA2141858C (en) | 1992-08-07 | 1992-08-07 | A system for drawing winners in a lottery |
Country Status (7)
| Country | Link |
|---|---|
| CA (1) | CA2141858C (en) |
| CZ (1) | CZ284351B6 (en) |
| DK (1) | DK0647341T3 (en) |
| ES (1) | ES2103380T3 (en) |
| HU (1) | HU213439B (en) |
| NZ (1) | NZ248327A (en) |
| WO (1) | WO1994003873A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5709603A (en) * | 1995-04-06 | 1998-01-20 | Kaye; Perry | Personal computer lottery game |
| US5569082A (en) * | 1995-04-06 | 1996-10-29 | Kaye; Perry | Personal computer lottery game |
| GB9514371D0 (en) * | 1995-07-13 | 1995-09-13 | Shepherds Scrap Metals Newcast | Number checking device |
| SE517735C2 (en) | 1996-03-04 | 2002-07-09 | Ge Spelutveckling Ab | System and method for generating game chips and draw sequences |
| AUPO359596A0 (en) * | 1996-11-13 | 1996-12-05 | Aristocrat Leisure Industries Pty Ltd | Gaming machine |
| AU5888899A (en) * | 1998-08-17 | 2000-03-06 | G-E Spelutveckling Ab | Device for manufacturing playing counters and drawing sequences in a lottery |
| PL342094A1 (en) * | 2000-08-21 | 2002-02-25 | Andrzej Witold Banasiak | Method of creating winner appointing lots in an interactive game |
| SE520860C2 (en) * | 2001-04-27 | 2003-09-02 | Igs Ltd | Method of manufacturing a set of lotteries, method of generating a set of lotteries with a determined payout plan, game arrangement including a device for generating a set of lotteries, games and method of lottery games with lotteries |
| SE523266C2 (en) * | 2001-06-05 | 2004-04-06 | Igs Ltd | Game arrangements including a device for generating a set of lotteries, games and method of lottery games with lotteries |
| SE523423C2 (en) * | 2001-09-26 | 2004-04-20 | Igs Ltd | Lottery set, game arrangements and bodies for generating a set of lotteries |
| SE523419C2 (en) * | 2001-09-26 | 2004-04-20 | Igs Ltd | Game Events |
| US7749065B1 (en) | 2005-07-01 | 2010-07-06 | Wms Gaming Inc. | Slot-keno video gaming machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1115417A (en) * | 1978-04-07 | 1981-12-29 | Graham A. Jullien | Electronic bingo system |
| US4378940B2 (en) * | 1980-12-11 | 2000-05-23 | Bingo Technologies Corp | Electronic device for playing bingo lotto and allied card games |
| US4909516A (en) * | 1984-06-29 | 1990-03-20 | Bingotech, Inc. | Automated card game system |
| US4669729A (en) * | 1984-12-24 | 1987-06-02 | S.L.S. Incorporated | Instant bingo game verification system |
| GB2197971A (en) * | 1986-11-28 | 1988-06-02 | Alan William Robinson | Automated national bingo |
| EP0310368A3 (en) * | 1987-09-29 | 1990-11-28 | Intervision Pty Ltd | Equipment and a method for entertaining people |
| NO880346L (en) * | 1988-01-27 | 1989-07-28 | Hesland A S Egil | DATA-ASSISTED BINGO GAMES DISPLAY SYSTEM. |
-
1992
- 1992-08-07 CZ CS95312A patent/CZ284351B6/en not_active IP Right Cessation
- 1992-08-07 WO PCT/SE1992/000543 patent/WO1994003873A1/en active IP Right Grant
- 1992-08-07 CA CA002141858A patent/CA2141858C/en not_active Expired - Fee Related
- 1992-08-07 ES ES92920180T patent/ES2103380T3/en not_active Expired - Lifetime
- 1992-08-07 HU HU9500355A patent/HU213439B/en not_active IP Right Cessation
- 1992-08-07 DK DK92920180.4T patent/DK0647341T3/en active
-
1993
- 1993-08-04 NZ NZ248327A patent/NZ248327A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HU9500355D0 (en) | 1995-03-28 |
| HUT71762A (en) | 1996-01-29 |
| CZ31295A3 (en) | 1995-06-14 |
| CA2141858A1 (en) | 1994-02-17 |
| DK0647341T3 (en) | 1997-12-08 |
| ES2103380T3 (en) | 1997-09-16 |
| HU213439B (en) | 1997-06-30 |
| NZ248327A (en) | 1996-03-26 |
| CZ284351B6 (en) | 1998-11-11 |
| WO1994003873A1 (en) | 1994-02-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed | ||
| MKLA | Lapsed |
Effective date: 20090807 |
