FR767540A - Double-walled luminescent electric tube - Google Patents

Double-walled luminescent electric tube

Info

Publication number: FR767540A
Authority: FR; France
Prior art keywords: walled; double; electric tube; luminescent electric; luminescent
Prior art date: 1933-06-27
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

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Osa Participations Industrielles SA

Original Assignee

Osa Participations Industrielles SA

Priority date (The priority date 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 date listed.)

1933-06-27

Filing date

1934-01-22

Publication date

1934-07-20

1934-01-22 Application filed by Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA

1934-07-20 Application granted granted Critical

1934-07-20 Publication of FR767540A publication Critical patent/FR767540A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers

FR767540D 1933-06-27 1934-01-22 Double-walled luminescent electric tube Expired FR767540A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DEP0067757		1933-06-27
DEP0068229		1933-09-21

Publications (1)

Publication Number	Publication Date
FR767540A true FR767540A (en)	1934-07-20

Family

ID=25990928

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR767540D Expired FR767540A (en)	1933-06-27	1934-01-22	Double-walled luminescent electric tube

Country Status (5)

Country	Link
US (2)	US2009203A (en)
BE (1)	BE401036A (en)
FR (1)	FR767540A (en)
GB (2)	GB414620A (en)
NL (1)	NL37300C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2694774A (en) *	1950-04-19	1954-11-16	Hanovia Chemical & Mfg Co	End fitting for vapor arc lamps
US2715691A (en) *	1951-06-29	1955-08-16	Westinghouse Electric Corp	Vapor discharge lamp
US2797311A (en) *	1955-07-21	1957-06-25	Hanovia Chemical & Mfg Co	Vapor arc lamp
US2963603A (en) *	1957-05-20	1960-12-06	Edmund H Germer	Discharge device
US3293493A (en) *	1963-09-25	1966-12-20	Gen Electric	Light source for color synthesis
US3358167A (en) *	1965-10-18	1967-12-12	Gen Electric	Jacketed discharge lamp
CA923959A (en) *	1970-02-28	1973-04-03	N.V. Philips Gloeilampenfabrieken	Oblong discharge lamp
US5296779A (en) *	1992-04-10	1994-03-22	Gte Products Corp.	Double-ended metal halide arc discharge lamp with electrically isolated containment shroud
CN100541745C (en)	2003-09-09	2009-09-16	加利福尼亚大学董事会	Fabrication of single or multiple gate field plates

0
- BE BE401036D patent/BE401036A/xx unknown
- NL NL37300D patent/NL37300C/xx active
1934
- 1934-01-22 FR FR767540D patent/FR767540A/en not_active Expired
- 1934-04-10 GB GB10802/34A patent/GB414620A/en not_active Expired
- 1934-06-12 US US730334A patent/US2009203A/en not_active Expired - Lifetime
- 1934-09-05 US US742785A patent/US1990205A/en not_active Expired - Lifetime
- 1934-09-05 GB GB25572/34A patent/GB428996A/en not_active Expired

Also Published As

Publication number	Publication date
GB428996A (en)	1935-05-22
GB414620A (en)	1934-08-09
BE401036A (en)
US1990205A (en)	1935-02-05
NL37300C (en)
US2009203A (en)	1935-07-23

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