FR613571A - Base for multi-filament incandescent electric lamps - Google Patents

Base for multi-filament incandescent electric lamps

Info

Publication number
FR613571A
FR613571A FR613571DA FR613571A FR 613571 A FR613571 A FR 613571A FR 613571D A FR613571D A FR 613571DA FR 613571 A FR613571 A FR 613571A
Authority
FR
France
Prior art keywords
base
electric lamps
incandescent electric
filament incandescent
filament
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)
Inventor
Leo Langfelder
Adolf Putzker
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 filed Critical
Application granted granted Critical
Publication of FR613571A publication Critical patent/FR613571A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
    • H01K9/04—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in manually operated switch
FR613571D 1926-03-04 1926-03-26 Base for multi-filament incandescent electric lamps Expired FR613571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT267070X 1926-03-04

Publications (1)

Publication Number Publication Date
FR613571A true FR613571A (en) 1926-11-24

Family

ID=3670447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR613571D Expired FR613571A (en) 1926-03-04 1926-03-26 Base for multi-filament incandescent electric lamps

Country Status (2)

Country Link
FR (1) FR613571A (en)
GB (1) GB267070A (en)

Also Published As

Publication number Publication date
GB267070A (en) 1927-04-28

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