GB2020094A – Tungsten halogen for headlights
– Google Patents
GB2020094A – Tungsten halogen for headlights
– Google Patents
Tungsten halogen for headlights
Info
Publication number
GB2020094A
GB2020094A
GB7914408A
GB7914408A
GB2020094A
GB 2020094 A
GB2020094 A
GB 2020094A
GB 7914408 A
GB7914408 A
GB 7914408A
GB 7914408 A
GB7914408 A
GB 7914408A
GB 2020094 A
GB2020094 A
GB 2020094A
Authority
GB
United Kingdom
Prior art keywords
headlights
tungsten halogen
tungsten
halogen
Prior art date
1978-04-26
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.)
Granted
Application number
GB7914408A
Other versions
GB2020094B
(en
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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
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.)
1978-04-26
Filing date
1979-04-25
Publication date
1979-11-07
1979-04-25
Application filed by GTE Sylvania Inc
filed
Critical
GTE Sylvania Inc
1979-11-07
Publication of GB2020094A
publication
Critical
patent/GB2020094A/en
1982-05-06
Application granted
granted
Critical
1982-05-06
Publication of GB2020094B
publication
Critical
patent/GB2020094B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01K—ELECTRIC INCANDESCENT LAMPS
H01K1/00—Details
H01K1/02—Incandescent bodies
H01K1/14—Incandescent bodies characterised by the shape
GB7914408A
1978-04-26
1979-04-25
Tungsten halogen for headlights
Expired
GB2020094B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US05/900,048
US4140939A
(en)
1978-04-26
1978-04-26
Tungsten halogen lamp for headlights
Publications (2)
Publication Number
Publication Date
GB2020094A
true
GB2020094A
(en)
1979-11-07
GB2020094B
GB2020094B
(en)
1982-05-06
Family
ID=25411903
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7914408A
Expired
GB2020094B
(en)
1978-04-26
1979-04-25
Tungsten halogen for headlights
Country Status (9)
Country
Link
US
(1)
US4140939A
(en)
JP
(1)
JPS586273B2
(en)
BE
(1)
BE875832A
(en)
CA
(1)
CA1139823A
(en)
DE
(1)
DE2915544A1
(en)
FR
(1)
FR2424628B1
(en)
GB
(1)
GB2020094B
(en)
IT
(1)
IT1112852B
(en)
NL
(1)
NL7901168A
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE3041397A1
(en)
*
1980-11-03
1982-06-16
Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München
TWO-FILM HALOGEN LAMP FOR USE IN MOTOR VEHICLE HEADLIGHTS, EXAMPLE IN SEALED BEAM HEADLAMPS
GB2170040A
(en)
*
1985-01-23
1986-07-23
Walter Anderson
Improved light bulbs
Families Citing this family (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS547584U
(en)
*
1977-06-20
1979-01-18
US4319156A
(en)
*
1978-09-01
1982-03-09
Gte Products Corporation
Vehicle headlight having dual filament tungsten halogen lamp
US4305632A
(en)
*
1979-12-26
1981-12-15
Gte Products Corporation
Method of making tungsten halogen capsule for headlight
US4682072A
(en)
*
1984-07-26
1987-07-21
Stanley Electric Co., Ltd.
Headlamp for vehicle
US4631551A
(en)
*
1985-08-05
1986-12-23
Eastman Kodak Company
Color imaging apparatus using electro-optic modulators
DE3643364A1
(en)
*
1986-12-18
1988-07-07
Bosch Siemens Hausgeraete
LIGHTING DEVICE FOR A STOVE WITH MICROWAVE ENERGY, ESPECIALLY A HOUSEHOLD
US7280749B2
(en)
*
2001-02-12
2007-10-09
Ion Optics, Inc.
Filament for radiation source
Family Cites Families (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2315504A
(en)
*
1941-05-31
1943-04-06
Tung Sol Lamp Works Inc
Miniature incandescent lamp
US2821649A
(en)
*
1953-11-19
1958-01-28
Gen Electric
Electric lamp base
US2791714A
(en)
*
1954-12-22
1957-05-07
Gen Electric
Light projection device
US2997616A
(en)
*
1958-11-13
1961-08-22
Gen Electric
Multiple filament incandescent lamp
GB1158886A
(en)
*
1967-06-09
1969-07-23
British Lighting Ind Ltd
Improvements relating to Lamp Bulbs
NL136981C
(en)
*
1967-07-18
JPS5038678U
(en)
*
1973-07-31
1975-04-21
US3898451A
(en)
*
1974-07-29
1975-08-05
Gen Motors Corp
Rectangular sealed beam headlamp unit
1978
1978-04-26
US
US05/900,048
patent/US4140939A/en
not_active
Expired – Lifetime
1979
1979-02-14
NL
NL7901168A
patent/NL7901168A/en
not_active
Application Discontinuation
1979-04-06
CA
CA000325044A
patent/CA1139823A/en
not_active
Expired
1979-04-18
DE
DE19792915544
patent/DE2915544A1/en
active
Granted
1979-04-23
IT
IT22044/79A
patent/IT1112852B/en
active
1979-04-24
JP
JP54050779A
patent/JPS586273B2/en
not_active
Expired
1979-04-25
BE
BE2/57752A
patent/BE875832A/en
not_active
IP Right Cessation
1979-04-25
GB
GB7914408A
patent/GB2020094B/en
not_active
Expired
1979-04-25
FR
FR7910501A
patent/FR2424628B1/en
not_active
Expired
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE3041397A1
(en)
*
1980-11-03
1982-06-16
Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München
TWO-FILM HALOGEN LAMP FOR USE IN MOTOR VEHICLE HEADLIGHTS, EXAMPLE IN SEALED BEAM HEADLAMPS
GB2170040A
(en)
*
1985-01-23
1986-07-23
Walter Anderson
Improved light bulbs
Also Published As
Publication number
Publication date
IT1112852B
(en)
1986-01-20
DE2915544A1
(en)
1979-10-31
DE2915544C2
(en)
1989-10-05
BE875832A
(en)
1979-08-16
JPS586273B2
(en)
1983-02-03
US4140939A
(en)
1979-02-20
IT7922044D0
(en)
1979-04-23
JPS54144086A
(en)
1979-11-09
FR2424628A1
(en)
1979-11-23
NL7901168A
(en)
1979-10-30
FR2424628B1
(en)
1985-10-25
CA1139823A
(en)
1983-01-18
GB2020094B
(en)
1982-05-06
Similar Documents
Publication
Publication Date
Title
JPS567301A
(en)
1981-01-26
Headlight
GB2020094B
(en)
1982-05-06
Tungsten halogen for headlights
GB2016800A
(en)
1979-09-26
Tungsten halogen lamp capsule for headlight
JPS559337A
(en)
1980-01-23
Socket for lamp
EP0068655A3
(en)
1983-07-27
Tungsten halogen incandescent lamps – mixed halogens
JPS56118259A
(en)
1981-09-17
Halogen bulb for copying machine
GB2037415B
(en)
1982-09-22
Spotlight
JPS5782961A
(en)
1982-05-24
Halogen bulb for copying machine
JPS5516335A
(en)
1980-02-05
Halogen lamp
GB2099217B
(en)
1984-06-06
Jacketed tungsten halogen lamp
GB2037482B
(en)
1982-09-15
Halogen incandescent lamp
JPS5556356A
(en)
1980-04-25
Halogen bulb
GB1537999A
(en)
1979-01-10
Tungsten halogen lamp
JPS56114278A
(en)
1981-09-08
Halogen bulb
GB2031647B
(en)
1982-07-14
Halogen incandescent lamp
JPS5688257A
(en)
1981-07-17
Halogen bulb
JPS55141059A
(en)
1980-11-04
Halogen bulb
JPS5632664A
(en)
1981-04-02
Tungsten halogen lamp containing cyan
JPS5557258A
(en)
1980-04-26
Halogen bulb
JPS5546211A
(en)
1980-03-31
Halogen bulb for copying machine
JPS5572358A
(en)
1980-05-31
Filament for bulb
JPS55148362A
(en)
1980-11-18
Halogen lamp
JPS5539151A
(en)
1980-03-18
Stabilizer for dicharge lamp
JPS5744961A
(en)
1982-03-13
Halogen bulb
JPS56152159A
(en)
1981-11-25
Halogen bulb
Legal Events
Date
Code
Title
Description
1992-12-23
PCNP
Patent ceased through non-payment of renewal fee
