FR1139963A - A method of making a tubular, partially silver-plated incandescent lamp - Google Patents

A method of making a tubular, partially silver-plated incandescent lamp

Info

Publication number: FR1139963A
Authority: FR; France
Prior art keywords: plated; tubular; making; incandescent lamp; partially silver
Prior art date: 1955-01-05
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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1955-01-05

Filing date

1956-01-03

Publication date

1957-07-09

1956-01-03 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1957-07-09 Application granted granted Critical

1957-07-09 Publication of FR1139963A publication Critical patent/FR1139963A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/18—Mountings or supports for the incandescent body
- H01K1/24—Mounts for lamps with connections at opposite ends, e.g. for tubular lamp

FR1139963D 1955-01-05 1956-01-03 A method of making a tubular, partially silver-plated incandescent lamp Expired FR1139963A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL788269X		1955-01-05

Publications (1)

Publication Number	Publication Date
FR1139963A true FR1139963A (en)	1957-07-09

Family

ID=19832332

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1139963D Expired FR1139963A (en)	1955-01-05	1956-01-03	A method of making a tubular, partially silver-plated incandescent lamp

Country Status (6)

Country	Link
US (1)	US2901658A (en)
BE (1)	BE544147A (en)
DE (1)	DE1004732B (en)
FR (1)	FR1139963A (en)
GB (1)	GB788269A (en)
NL (2)	NL87548C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1449851A (en) *	1973-07-10	1976-09-15	Thorn Electrical Ind Ltd	Electrical incandescent filament devices
US4384235A (en) *	1979-05-22	1983-05-17	Thorn Emi Limited	Linear filament assembly with refractory insulating support rod for halogen lamp
EP0034030B1 (en) *	1980-02-06	1984-10-03	Thorn Emi Plc	Incandescent filament supports

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1738957A (en) *	1923-04-16	1929-12-10	Magnavox Co	Photo-electric tube
US1800037A (en) *	1927-11-24	1931-04-07	Gen Electric	Tubular incandescent lamp
BE356406A (en) *	1927-12-13
US2032945A (en) *	1932-04-21	1936-03-03	Westinghouse Lamp Co	115 volt ultra-violet lamp
US2032791A (en) *	1933-04-20	1936-03-03	Gen Electric	Tubular and other incandescent lamps and their manufacture
US2114175A (en) *	1937-03-13	1938-04-12	Gen Electric	Electric lamp or similar device

0
- BE BE544147D patent/BE544147A/xx unknown
- NL NL193793D patent/NL193793A/xx unknown
- NL NL87548D patent/NL87548C/xx active
1955
- 1955-12-30 DE DEN11673A patent/DE1004732B/en active Pending
1956
- 1956-01-02 GB GB68/56A patent/GB788269A/en not_active Expired
- 1956-01-03 FR FR1139963D patent/FR1139963A/en not_active Expired
- 1956-01-04 US US557366A patent/US2901658A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US2901658A (en)	1959-08-25
BE544147A (en)
GB788269A (en)	1957-12-23
DE1004732B (en)	1957-03-21
NL87548C (en)
NL193793A (en)

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