FR1380268A - Electric lamp with several independent filaments - Google Patents

Electric lamp with several independent filaments

Info

Publication number
FR1380268A
FR1380268A FR961322A FR961322A FR1380268A FR 1380268 A FR1380268 A FR 1380268A FR 961322 A FR961322 A FR 961322A FR 961322 A FR961322 A FR 961322A FR 1380268 A FR1380268 A FR 1380268A
Authority
FR
France
Prior art keywords
electric lamp
several independent
independent filaments
filaments
several
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
FR961322A
Other languages
French (fr)
Inventor
Gualtiero Cattabiani
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
Priority to FR961322A priority Critical patent/FR1380268A/en
Application granted granted Critical
Publication of FR1380268A publication Critical patent/FR1380268A/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
FR961322A 1964-01-23 1964-01-23 Electric lamp with several independent filaments Expired FR1380268A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR961322A FR1380268A (en) 1964-01-23 1964-01-23 Electric lamp with several independent filaments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR961322A FR1380268A (en) 1964-01-23 1964-01-23 Electric lamp with several independent filaments

Publications (1)

Publication Number Publication Date
FR1380268A true FR1380268A (en) 1964-11-27

Family

ID=8821563

Family Applications (1)

Application Number Title Priority Date Filing Date
FR961322A Expired FR1380268A (en) 1964-01-23 1964-01-23 Electric lamp with several independent filaments

Country Status (1)

Country Link
FR (1) FR1380268A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2834819A1 (en) * 2002-01-16 2003-07-18 Patrick Romatet Incandescent lamp bulb has double metal filament connected to external electrical connecting lugs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2834819A1 (en) * 2002-01-16 2003-07-18 Patrick Romatet Incandescent lamp bulb has double metal filament connected to external electrical connecting lugs

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