FR842997A - Incandescent electric lamp - Google Patents

Incandescent electric lamp

Info

Publication number
FR842997A
FR842997A FR842997DA FR842997A FR 842997 A FR842997 A FR 842997A FR 842997D A FR842997D A FR 842997DA FR 842997 A FR842997 A FR 842997A
Authority
FR
France
Prior art keywords
electric lamp
incandescent electric
incandescent
lamp
electric
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 FR842997A publication Critical patent/FR842997A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K9/00Lamps having two or more incandescent bodies separately heated
FR842997D 1938-09-05 1938-09-05 Incandescent electric lamp Expired FR842997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR842997T 1938-09-05

Publications (1)

Publication Number Publication Date
FR842997A true FR842997A (en) 1939-06-22

Family

ID=9311682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842997D Expired FR842997A (en) 1938-09-05 1938-09-05 Incandescent electric lamp

Country Status (1)

Country Link
FR (1) FR842997A (en)

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