GB439266A - Improvements in electric incandescent lamps - Google Patents

Improvements in electric incandescent lamps

Info

Publication number
GB439266A
GB439266A GB442/35A GB44235A GB439266A GB 439266 A GB439266 A GB 439266A GB 442/35 A GB442/35 A GB 442/35A GB 44235 A GB44235 A GB 44235A GB 439266 A GB439266 A GB 439266A
Authority
GB
United Kingdom
Prior art keywords
cap
lamp
bulb
electric incandescent
insulated
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
GB442/35A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB439266A publication Critical patent/GB439266A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap

Landscapes

  • Resistance Heating (AREA)
GB442/35A 1934-03-26 1935-01-05 Improvements in electric incandescent lamps Expired GB439266A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE439266X 1934-03-26

Publications (1)

Publication Number Publication Date
GB439266A true GB439266A (en) 1935-12-03

Family

ID=6507281

Family Applications (1)

Application Number Title Priority Date Filing Date
GB442/35A Expired GB439266A (en) 1934-03-26 1935-01-05 Improvements in electric incandescent lamps

Country Status (3)

Country Link
BE (1) BE408630A (OSRAM)
FR (1) FR787856A (OSRAM)
GB (1) GB439266A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5281889A (en) * 1991-05-31 1994-01-25 North American Philips Corporation Reflector lamp having a light-source capsule secured between mating neck and reflector bodies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5281889A (en) * 1991-05-31 1994-01-25 North American Philips Corporation Reflector lamp having a light-source capsule secured between mating neck and reflector bodies

Also Published As

Publication number Publication date
FR787856A (fr) 1935-09-30
BE408630A (OSRAM)

Similar Documents

Publication Publication Date Title
US1842167A (en) Candle lamp
US3209188A (en) Iodine-containing electric incandescent lamp with heat conserving envelope
US3445713A (en) Halogen cycle incandescent lamp
GB439266A (en) Improvements in electric incandescent lamps
US2865186A (en) High-intensity photoflash lamp
US2171580A (en) Electric lamp
GB1241196A (en) Incandescent lamp
US2106689A (en) Incandescent electric lamp
US3265922A (en) Electric lamp
US2300997A (en) Electric incandescent lamp
GB639604A (en) Improvements in and relating to electric incandescent lamps
US2312245A (en) Electrode for discharge devices
GB1062819A (en) Incandescent lamps using coiled-coil filaments
US2211884A (en) Incandescent lamp
GB421705A (en) Improvements in or relating to luminous electric discharge tubes
GB404101A (en) Improvements in or relating to electric discharge tubes
US2145105A (en) Electric incandescent lamp and similar device
US1206333A (en) Electric lamp.
GB435527A (en) Improvements in and relating to electric lamps or the like
US2026941A (en) Vapor electric device
GB406620A (en) Improvements in electric discharge tubes
GB405605A (en) Improvements in luminous electric discharge tubes
GB471268A (en) Gas-filled electric incandescent lamp
GB439330A (en) Improvements in or relating to gasfilled electric incandescent lamps
US2103048A (en) Gaseous electric discharge lamp device