FR1045652A - Improvements to electric lamps - Google Patents

Improvements to electric lamps

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/en

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 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

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/en not_active Expired

Also Published As

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

Similar Documents

Publication	Publication Date	Title
FR1043588A (en)	1953-11-10	Improvements to electrical switches
FR1045652A (en)	1953-11-30	Improvements to electric lamps
FR1044960A (en)	1953-11-23	Improvements to electrical switches
FR1046704A (en)	1953-12-08	Improvements to electrical switches
FR1061458A (en)	1954-04-12	Improvements to electrical switches
FI25969A (en)	1952-10-10	Electric slirkoppling
FR1025187A (en)	1953-04-13	Improvement in electric lamps
FR1017282A (en)	1952-12-05	Improvements to underwater electric lights
FR1030304A (en)	1953-06-11	Improvements to electric cables
FR1043327A (en)	1953-11-09	Improvements to electric cables
FR1008378A (en)	1952-05-16	Improvements to electric watches
FR1034305A (en)	1953-07-22	Improvements to electric discharge lamps
FR60587E (en)	1954-11-09	Improvements to electric lamp sockets
FR61821E (en)	1955-05-18	Improvements to electric lamp sockets
FR1063063A (en)	1954-04-29	Improvements to electric lamps
FR1008389A (en)	1952-05-16	Improvements made to radio-compasses
FR59947E (en)	1954-09-21	Improvements to electrical contacts
FR1044611A (en)	1953-11-19	Improvements to electric igniters
FR1008915A (en)	1952-05-23	Improvements to electric heaters
FR1042679A (en)	1953-11-03	Improvements to electric filters
BE507679A (en)	1953-05-08	Improvements to fluorescent lamps
FR1056113A (en)	1954-02-24	Improvements to electric capacitors
FR1035850A (en)	1953-08-31	Improvements to electric cables
FR1033962A (en)	1953-07-17	Improvements to electric cables
FR1037178A (en)	1953-09-15	Improvements to electric converters