FR623809A - Three Filament Incandescent Lamp Improvements - Google Patents

Three Filament Incandescent Lamp Improvements

Info

Publication number
FR623809A
FR623809A FR623809DA FR623809A FR 623809 A FR623809 A FR 623809A FR 623809D A FR623809D A FR 623809DA FR 623809 A FR623809 A FR 623809A
Authority
FR
France
Prior art keywords
incandescent lamp
filament incandescent
filament
lamp
lamp improvements
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR623809A publication Critical patent/FR623809A/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
    • H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
FR623809D 1925-11-05 1926-10-29 Three Filament Incandescent Lamp Improvements Expired FR623809A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US623809TA 1925-11-05 1925-11-05

Publications (1)

Publication Number Publication Date
FR623809A true FR623809A (en) 1927-07-01

Family

ID=1541312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623809D Expired FR623809A (en) 1925-11-05 1926-10-29 Three Filament Incandescent Lamp Improvements

Country Status (1)

Country Link
FR (1) FR623809A (en)

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