FR1045652A - Perfectionnements aux lampes électriques - Google Patents

Perfectionnements aux lampes électriques

Info

Publication number: FR1045652A
Authority: FR; France
Prior art keywords: electric lamps; lamps; electric
Prior art date: 1950-03-31
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

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.)

1950-03-31

Filing date

1951-03-28

Publication date

1953-11-30

1951-03-28 Application filed by Compagnie des Lampes filed Critical Compagnie des Lampes

1953-11-30 Application granted granted Critical

1953-11-30 Publication of FR1045652A publication Critical patent/FR1045652A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters

FR1045652D 1950-03-31 1951-03-28 Perfectionnements aux lampes électriques Expired FR1045652A (fr)

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 (fr)	1953-11-30

Family

ID=22546254

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1045652D Expired FR1045652A (fr)	1950-03-31	1951-03-28	Perfectionnements aux lampes électriques

Country Status (3)

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

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 (fr) *	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 (fr) *	1930-10-31	1932-02-24	Lampes Sa	Perfectionnements à la fabrication des lampes à incandescence
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 (fr) *	1940-01-19
US2288499A (en) *	1940-11-02	1942-06-30	Gen Electric	Electric lamp

1950
- 1950-03-31 US US153217A patent/US2624019A/en not_active Expired - Lifetime
1951
- 1951-03-07 GB GB5538/51A patent/GB683104A/en not_active Expired
- 1951-03-28 FR FR1045652D patent/FR1045652A/fr not_active Expired

Also Published As

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

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