FR616189A - Improvements to incandescent electric lamps - Google Patents

Improvements to incandescent electric lamps

Info

Publication number
FR616189A
FR616189A FR616189DA FR616189A FR 616189 A FR616189 A FR 616189A FR 616189D A FR616189D A FR 616189DA FR 616189 A FR616189 A FR 616189A
Authority
FR
France
Prior art keywords
electric lamps
incandescent electric
incandescent
lamps
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.)
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 FR616189A publication Critical patent/FR616189A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/58—Cooling arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/26—Screens; Filters
FR616189D 1925-05-22 1926-05-15 Improvements to incandescent electric lamps Expired FR616189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32193A US1771957A (en) 1925-05-22 1925-05-22 Electric lamp

Publications (1)

Publication Number Publication Date
FR616189A true FR616189A (en) 1927-01-25

Family

ID=21863599

Family Applications (1)

Application Number Title Priority Date Filing Date
FR616189D Expired FR616189A (en) 1925-05-22 1926-05-15 Improvements to incandescent electric lamps

Country Status (3)

Country Link
US (1) US1771957A (en)
FR (1) FR616189A (en)
GB (1) GB252381A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624019A (en) * 1950-03-31 1952-12-30 Gen Electric Electric lamp or similar article
US3148296A (en) * 1960-12-28 1964-09-08 Gen Electric Incandescent lamp

Also Published As

Publication number Publication date
GB252381A (en) 1926-08-26
US1771957A (en) 1930-07-29

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