FR395157A - Electric vacuum filament and metal filament lamp - Google Patents

Electric vacuum filament and metal filament lamp

Info

Publication number
FR395157A
FR395157A FR395157DA FR395157A FR 395157 A FR395157 A FR 395157A FR 395157D A FR395157D A FR 395157DA FR 395157 A FR395157 A FR 395157A
Authority
FR
France
Prior art keywords
filament
electric vacuum
metal
lamp
filament 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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR395157A publication Critical patent/FR395157A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
    • H01K1/20—Mountings or supports for the incandescent body characterised by the material thereof
FR395157D 1907-11-02 1908-10-12 Electric vacuum filament and metal filament lamp Expired FR395157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE395157X 1907-11-02

Publications (1)

Publication Number Publication Date
FR395157A true FR395157A (en) 1909-02-13

Family

ID=1440344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR395157D Expired FR395157A (en) 1907-11-02 1908-10-12 Electric vacuum filament and metal filament lamp

Country Status (1)

Country Link
FR (1) FR395157A (en)

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