FR451456A - Metal filament incandescent electric lamp - Google Patents

Metal filament incandescent electric lamp

Info

Publication number
FR451456A
FR451456A FR451456DA FR451456A FR 451456 A FR451456 A FR 451456A FR 451456D A FR451456D A FR 451456DA FR 451456 A FR451456 A FR 451456A
Authority
FR
France
Prior art keywords
electric lamp
metal filament
incandescent electric
filament incandescent
metal
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 FR451456A publication Critical patent/FR451456A/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
FR451456D 1912-12-04 1912-12-04 Metal filament incandescent electric lamp Expired FR451456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR451456T 1912-12-04

Publications (1)

Publication Number Publication Date
FR451456A true FR451456A (en) 1913-04-19

Family

ID=1491781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR451456D Expired FR451456A (en) 1912-12-04 1912-12-04 Metal filament incandescent electric lamp

Country Status (1)

Country Link
FR (1) FR451456A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0220780A1 (en) * 1985-10-29 1987-05-06 Koninklijke Philips Electronics N.V. Electric incandescent lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0220780A1 (en) * 1985-10-29 1987-05-06 Koninklijke Philips Electronics N.V. Electric incandescent lamp

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