NL162509C - Elektrische gloeilamp met een wolframhalogeencyclus. - Google Patents

Elektrische gloeilamp met een wolframhalogeencyclus.

Info

Publication number: NL162509C
Authority: NL; Netherlands
Prior art keywords: wolfram; light bulb; electric light; halogen cycle; halogen
Prior art date: 1969-05-01

Application number

NL7006234.A

Other languages

English (en)

Other versions

NL7006234A (nl

NL162509B (nl

Inventor

J R Coaton

J M Rees

Original Assignee

Thorn Lighting Ltd

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.)

1969-05-01

Filing date

1970-04-28

Publication date

1980-05-16

1970-04-28 Application filed by Thorn Lighting Ltd filed Critical Thorn Lighting Ltd

1970-11-03 Publication of NL7006234A publication Critical patent/NL7006234A/xx

1979-12-17 Publication of NL162509B publication Critical patent/NL162509B/nl

1980-05-16 Application granted granted Critical

1980-05-16 Publication of NL162509C publication Critical patent/NL162509C/nl

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
- H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

NL7006234.A 1969-05-01 1970-04-28 Elektrische gloeilamp met een wolframhalogeencyclus. NL162509C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB22391/69A GB1267426A (en)	1969-05-01	1969-05-01	Improvements in electric incandescent lamps

Publications (3)

Publication Number	Publication Date
NL7006234A NL7006234A (nl)	1970-11-03
NL162509B NL162509B (nl)	1979-12-17
NL162509C true NL162509C (nl)	1980-05-16

Family

ID=10178621

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7006234.A NL162509C (nl)	1969-05-01	1970-04-28	Elektrische gloeilamp met een wolframhalogeencyclus.

Country Status (5)

Country	Link
CA (1)	CA923191A (nl)
GB (1)	GB1267426A (nl)
NL (1)	NL162509C (nl)
SE (1)	SE373982B (nl)
ZA (1)	ZA702721B (nl)

1969
- 1969-05-01 GB GB22391/69A patent/GB1267426A/en not_active Expired
1970
- 1970-04-23 ZA ZA702721A patent/ZA702721B/xx unknown
- 1970-04-28 CA CA081287A patent/CA923191A/en not_active Expired
- 1970-04-28 NL NL7006234.A patent/NL162509C/nl not_active IP Right Cessation
- 1970-04-29 SE SE7005955A patent/SE373982B/xx unknown

Also Published As

Publication number	Publication date
NL7006234A (nl)	1970-11-03
DE2020921B2 (de)	1977-03-10
SE373982B (nl)	1975-02-17
CA923191A (en)	1973-03-20
NL162509B (nl)	1979-12-17
GB1267426A (en)	1972-03-22
ZA702721B (en)	1971-01-27
DE2020921A1 (de)	1970-11-19

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Legal Events

Date	Code	Title	Description
1987-12-16	V1	Lapsed because of non-payment of the annual fee