GB298077A - Improvements in or relating to electric incandescent lamps - Google Patents

Improvements in or relating to electric incandescent lamps

Info

Publication number
GB298077A
GB298077A GB27533/28A GB2753328A GB298077A GB 298077 A GB298077 A GB 298077A GB 27533/28 A GB27533/28 A GB 27533/28A GB 2753328 A GB2753328 A GB 2753328A GB 298077 A GB298077 A GB 298077A
Authority
GB
United Kingdom
Prior art keywords
relating
incandescent lamps
frosted
electric incandescent
transparent zone
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
Application number
GB27533/28A
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.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB298077A publication Critical patent/GB298077A/en
Priority claimed from CA282,282A external-priority patent/CA1083672A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

298,077. Alderson, F. J. Oct. 1, 1927, [Convention date]. Bulbs; filaments, supports for.-An anti-dazzle bulb for vehicle headlights &c. is frosted to diffuse the light at the front and rear regions 13, 14, leaving a transparent zone 15 between. A frosted band 16 may be provided in the transparent zone. The stem or filament support 12 is frosted also.
GB27533/28A 1977-07-07 1928-09-25 Improvements in or relating to electric incandescent lamps Expired GB298077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA282,282A CA1083672A (en) 1976-07-12 1977-07-07 Ground fault detector

Publications (1)

Publication Number Publication Date
GB298077A true GB298077A (en) 1929-06-20

Family

ID=4109090

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27533/28A Expired GB298077A (en) 1977-07-07 1928-09-25 Improvements in or relating to electric incandescent lamps

Country Status (4)

Country Link
US (1) US1895143A (en)
BE (1) BE354543A (en)
FR (1) FR660796A (en)
GB (1) GB298077A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011030335A3 (en) * 2009-09-10 2011-05-12 Yosef Shterenberg Light bulbs with surface patterns

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD385366S (en) * 1992-07-17 1997-10-21 Rudiger Darius Paulmann Halogen lamp
USD1030097S1 (en) * 2021-07-22 2024-06-04 Nordic Lighting Co., Ltd LED bulb

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011030335A3 (en) * 2009-09-10 2011-05-12 Yosef Shterenberg Light bulbs with surface patterns

Also Published As

Publication number Publication date
FR660796A (en) 1929-07-17
US1895143A (en) 1933-01-24
BE354543A (en) 1928-10-31

Similar Documents

Publication Publication Date Title
GB298077A (en) Improvements in or relating to electric incandescent lamps
GB365775A (en) Incandescent electric lamp for headlights on motor cars
GB266366A (en) An improved anti-dazzle device for automobile head lamps
GB287088A (en) Improvements in or relating to vehicle lamps
GB293377A (en) Improvements in vehicle head lamps
GB309640A (en) Improvements in or relating to anti-glare or anti-dazzle lamps particularly applicable for use on vehicles
GB339036A (en) Improvements in and relating to incandescent electric lamps
GB200850A (en) Improvements in incandescent electric lamps
GB303114A (en) Improvements in and relating to incandescent electric lamps and mountings therefor
GB532090A (en) Improvements in or relating to the head lamps of motor vehicles
GB302917A (en) Improvements in incandescent electric lamps
GB287446A (en) Electric lamp specially applicable for automobile head-lights
GB459495A (en) Improvements in electric lamp bulbs for motor car headlights and the like
GB323017A (en) Improvements relating to incandescent electric lamps
GB269029A (en) Improvements in or relating to head-lights for vehicles
GB895825A (en) Improvements relating to lamps for vehicles
GB266601A (en) Incandescent lamp for automobile headlights
GB313437A (en) An improved electric lamp for lighting
GB311370A (en) Improvements in illuminating bodies with concave roflector and diffusely radiating incandescent bulb
GB228189A (en) Improvements in and relating to headlamps
GB379854A (en) Improvements in or relating to electric incandescent lamps
GB233238A (en) Improvements in lamp bulbs for vehicle headlights and the like
GB363990A (en) Improved means for supporting and focussing lamp bulbs particularly in vehicle head-lamps
GB385227A (en) Improvements in or relating to motor car lamps
GB231449A (en) Improvements in and relating to incandescent lamps for vehicle headlamps