FR1045652A - Improvements to electric lamps - Google Patents

Improvements to electric lamps

Info

Publication number
FR1045652A
FR1045652A FR1045652DA FR1045652A FR 1045652 A FR1045652 A FR 1045652A FR 1045652D A FR1045652D A FR 1045652DA FR 1045652 A FR1045652 A FR 1045652A
Authority
FR
France
Prior art keywords
electric lamps
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 FR1045652A publication Critical patent/FR1045652A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/26—Screens; Filters
FR1045652D 1950-03-31 1951-03-28 Improvements to electric lamps Expired FR1045652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US153217A US2624019A (en) 1950-03-31 1950-03-31 Electric lamp or similar article

Publications (1)

Publication Number Publication Date
FR1045652A true FR1045652A (en) 1953-11-30

Family

ID=22546254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1045652D Expired FR1045652A (en) 1950-03-31 1951-03-28 Improvements to electric lamps

Country Status (3)

Country Link
US (1) US2624019A (en)
FR (1) FR1045652A (en)
GB (1) GB683104A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776852A (en) * 1953-07-16 1957-01-08 Westinghouse Electric Corp Stem mount for electric incandescent lamp
US2777082A (en) * 1953-08-27 1957-01-08 Westinghouse Electric Corp Incandescent lamp
US2976441A (en) * 1956-08-23 1961-03-21 Westinghouse Electric Corp Electric lamp
US3007069A (en) * 1958-05-02 1961-10-31 Gen Electric Heat deflectors for electric lamps or similar devices
NL105842C (en) * 1960-02-12

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1270856A (en) * 1914-06-27 1918-07-02 Cooper Hewitt Electric Co Support for electric-lamp filaments.
US1293781A (en) * 1916-07-11 1919-02-11 Westinghouse Lamp Co Incandescent electric lamp.
US1670716A (en) * 1923-11-12 1928-05-22 Gen Electric Heat deflector for incandescent lamps and similar devices
US1771957A (en) * 1925-05-22 1930-07-29 Gen Electric Electric lamp
FR720752A (en) * 1930-10-31 1932-02-24 Lampes Sa Improvements in the manufacture of incandescent lamps
US1955510A (en) * 1931-01-12 1934-04-17 Toden Denkyu Kabushiki Kwaisha Gas sealed incandescent lamp or the like
US2142104A (en) * 1935-07-29 1939-01-03 Birdseye Electric Company Electric lamp
US2117039A (en) * 1936-12-04 1938-05-10 Birdseye Electric Corp Reflecting incandescent lamp
BE441281A (en) * 1940-01-19
US2288499A (en) * 1940-11-02 1942-06-30 Gen Electric Electric lamp

Also Published As

Publication number Publication date
GB683104A (en) 1952-11-19
US2624019A (en) 1952-12-30

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