FR844303A - Electric incandescent gas lamp - Google Patents

Electric incandescent gas lamp

Info

Publication number
FR844303A
FR844303A FR844303DA FR844303A FR 844303 A FR844303 A FR 844303A FR 844303D A FR844303D A FR 844303DA FR 844303 A FR844303 A FR 844303A
Authority
FR
France
Prior art keywords
gas lamp
electric incandescent
incandescent gas
electric
lamp
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR844303A publication Critical patent/FR844303A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/34—Double wall vessels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
FR844303D 1937-10-04 1938-10-04 Electric incandescent gas lamp Expired FR844303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL844303X 1937-10-04

Publications (1)

Publication Number Publication Date
FR844303A true FR844303A (en) 1939-07-24

Family

ID=19845108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844303D Expired FR844303A (en) 1937-10-04 1938-10-04 Electric incandescent gas lamp

Country Status (2)

Country Link
BE (1) BE430473A (en)
FR (1) FR844303A (en)

Also Published As

Publication number Publication date
BE430473A (en)

Similar Documents

Publication Publication Date Title
FR846696A (en) Electric incandescent gas lamp
CH215234A (en) Electric incandescent lamp.
FR855226A (en) Electric incandescent gas-filled lamp
FR837699A (en) Incandescent electric lamp
FR848136A (en) Vacuum Incandescent Electric Lamp
FR839200A (en) Incandescent electric lamp
FR836840A (en) Incandescent electric lamp
FR648062A (en) Incandescent electric lamp
FR856107A (en) Incandescent electric lamp for series connection
FR844304A (en) Incandescent electric lamp
FR839169A (en) Incandescent electric lamp
FR844303A (en) Electric incandescent gas lamp
FR833870A (en) Incandescent electric lamp
FR779807A (en) Electric incandescent gas lamp
FR826612A (en) Gas-filled incandescent electric lamp
FR851518A (en) Electric incandescent gas lamp
FR852378A (en) Electric incandescent gas lamp
FR840688A (en) Base for incandescent electric lamps
FR849076A (en) Double envelope incandescent electric lamp
FR827520A (en) Electric lamp with luminescent bulb
FR772157A (en) Incandescent electric lamp
FR836159A (en) Gas-filled incandescent electric lamp
FR830156A (en) Incandescent electric lamp
FR820382A (en) Incandescent electric lamp
FR842997A (en) Incandescent electric lamp