IT967198B - ELECTRIC FILAMENT LAMP - Google Patents

ELECTRIC FILAMENT LAMP

Info

Publication number: IT967198B
Authority: IT; Italy
Prior art keywords: filament lamp; electric filament; electric; lamp; filament
Prior art date: 1971-09-09

Application number

IT28876/72A

Other languages

Italian (it)

Original Assignee

Philips 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.)

1971-09-09

Filing date

1972-09-06

Publication date

1974-02-28

1972-09-06 Application filed by Philips Nv filed Critical Philips Nv

1974-02-28 Application granted granted Critical

1974-02-28 Publication of IT967198B publication Critical patent/IT967198B/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/18—Mountings or supports for the incandescent body

IT28876/72A 1971-09-09 1972-09-06 ELECTRIC FILAMENT LAMP IT967198B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7112394A NL7112394A (en)	1971-09-09	1971-09-09

Publications (1)

Publication Number	Publication Date
IT967198B true IT967198B (en)	1974-02-28

Family

ID=19813986

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT28876/72A IT967198B (en)	1971-09-09	1972-09-06	ELECTRIC FILAMENT LAMP

Country Status (9)

Country	Link
US (1)	US3824421A (en)
JP (1)	JPS4836985A (en)
BE (1)	BE788518A (en)
CA (1)	CA946456A (en)
DE (1)	DE2243717C3 (en)
FR (1)	FR2152218A1 (en)
GB (1)	GB1348949A (en)
IT (1)	IT967198B (en)
NL (1)	NL7112394A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4058749A (en) *	1976-04-05	1977-11-15	Wagner Electric Corporation	Filament shield for sealed headlamp and mounting method therefor
JPH0680655B2 (en) *	1987-03-16	1994-10-12	沖電気工業株式会社	Insulation film formation method
JPH088265B2 (en) *	1988-09-13	1996-01-29	株式会社東芝	Compound semiconductor device and manufacturing method thereof
DE19544012A1 (en)	1995-11-27	1997-05-28	Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh	Electric light bulb with anti-dazzle device and method for producing such a lamp and anti-dazzle device for an electric light bulb
EP0812004B1 (en) *	1996-06-04	2003-07-09	Honda Giken Kogyo Kabushiki Kaisha	Automobile lamp bulb
DE19707245A1 (en) *	1997-02-25	1998-08-27	Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh	Method of making an electric light bulb

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US974891A (en) *	1909-03-11	1910-11-08	Universal Electric Welding Co	Method of making metallic fabric.
US2745045A (en) *	1952-07-19	1956-05-08	Sylvania Electric Prod	Semiconductor devices and methods of fabrication
BE536105A (en) *	1954-03-02
US2795722A (en) *	1954-12-29	1957-06-11	Gen Electric	Electric incandescent lamp
DE1248799B (en) *	1961-12-13

0
- BE BE788518D patent/BE788518A/en not_active IP Right Cessation
1971
- 1971-09-09 NL NL7112394A patent/NL7112394A/xx unknown
1972
- 1972-09-01 CA CA150,754A patent/CA946456A/en not_active Expired
- 1972-09-06 IT IT28876/72A patent/IT967198B/en active
- 1972-09-06 JP JP47089481A patent/JPS4836985A/ja active Pending
- 1972-09-06 DE DE2243717A patent/DE2243717C3/en not_active Expired
- 1972-09-06 GB GB4136772A patent/GB1348949A/en not_active Expired
- 1972-09-07 US US00286933A patent/US3824421A/en not_active Expired - Lifetime
- 1972-09-08 FR FR7231885A patent/FR2152218A1/fr active Pending

Also Published As

Publication number	Publication date
CA946456A (en)	1974-04-30
DE2243717B2 (en)	1977-09-08
FR2152218A1 (en)	1973-04-20
GB1348949A (en)	1974-03-27
NL7112394A (en)	1973-03-13
US3824421A (en)	1974-07-16
DE2243717A1 (en)	1973-03-15
BE788518A (en)	1973-03-07
DE2243717C3 (en)	1978-05-18
JPS4836985A (en)	1973-05-31

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