CH204631A - Double-cased incandescent electric lamp. - Google Patents

Double-cased incandescent electric lamp.

Info

Publication number
CH204631A
CH204631A CH204631DA CH204631A CH 204631 A CH204631 A CH 204631A CH 204631D A CH204631D A CH 204631DA CH 204631 A CH204631 A CH 204631A
Authority
CH
Switzerland
Prior art keywords
cased
double
electric lamp
incandescent electric
incandescent
Prior art date
Application number
Other languages
French (fr)
Inventor
Anonyme Pour Les Appli Societe
Original Assignee
Ets Claude Paz & Silva
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 Ets Claude Paz & Silva filed Critical Ets Claude Paz & Silva
Publication of CH204631A publication Critical patent/CH204631A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/58—Cooling arrangements
    • 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
CH204631D 1938-01-28 1938-01-28 Double-cased incandescent electric lamp. CH204631A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH512803X 1938-01-28

Publications (1)

Publication Number Publication Date
CH204631A true CH204631A (en) 1939-05-15

Family

ID=4517539

Family Applications (1)

Application Number Title Priority Date Filing Date
CH204631D CH204631A (en) 1938-01-28 1938-01-28 Double-cased incandescent electric lamp.

Country Status (6)

Country Link
US (1) US2188945A (en)
CH (1) CH204631A (en)
DE (1) DE741917C (en)
FR (1) FR849076A (en)
GB (1) GB512803A (en)
NL (1) NL53880C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2789267A1 (en) * 2010-02-08 2011-08-11 Ole K. Nilssen Evaporation cooled lamp

Also Published As

Publication number Publication date
DE741917C (en) 1943-11-19
US2188945A (en) 1940-02-06
NL53880C (en)
GB512803A (en) 1939-09-26
FR849076A (en) 1939-11-14

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