FR785778A - Multiple filament incandescent lamp - Google Patents

Multiple filament incandescent lamp

Info

Publication number
FR785778A
FR785778A FR785778DA FR785778A FR 785778 A FR785778 A FR 785778A FR 785778D A FR785778D A FR 785778DA FR 785778 A FR785778 A FR 785778A
Authority
FR
France
Prior art keywords
incandescent lamp
multiple filament
filament incandescent
lamp
incandescent
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
Germer Edmund
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 FR785778A publication Critical patent/FR785778A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K9/00Lamps having two or more incandescent bodies separately heated
    • H01K9/02Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
    • H01K9/06Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in device, e.g. switch, for automatically completing circuit of reserve body
FR785778D 1934-02-17 1935-02-18 Multiple filament incandescent lamp Expired FR785778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE785778X 1934-02-17

Publications (1)

Publication Number Publication Date
FR785778A true FR785778A (en) 1935-08-19

Family

ID=6698860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR785778D Expired FR785778A (en) 1934-02-17 1935-02-18 Multiple filament incandescent lamp

Country Status (1)

Country Link
FR (1) FR785778A (en)

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