NL7415561A - TUNGSTEN HALOGEN BULB. - Google Patents

TUNGSTEN HALOGEN BULB.

Info

Publication number: NL7415561A
Authority: NL; Netherlands
Prior art keywords: halogen bulb; tungsten halogen; tungsten; bulb; halogen
Prior art date: 1973-11-28

Application number

NL7415561A

Other languages

Dutch (nl)

Other versions

NL181158B (en

NL181158C (en

Original Assignee

Thorn Electrical Ind 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.)

1973-11-28

Filing date

1974-11-28

Publication date

1975-05-30

1974-11-28 Application filed by Thorn Electrical Ind Ltd filed Critical Thorn Electrical Ind Ltd

1975-05-30 Publication of NL7415561A publication Critical patent/NL7415561A/en

1987-01-16 Publication of NL181158B publication Critical patent/NL181158B/en

1987-06-16 Application granted granted Critical

1987-06-16 Publication of NL181158C publication Critical patent/NL181158C/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
- 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

NLAANVRAGE7415561,A 1973-11-28 1974-11-28 ELECTRIC BULB AND METHOD FOR MANUFACTURING THIS BULB. NL181158C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB5523073A GB1387240A (en)	1973-11-28	1973-11-28	Electric incandescent lamps

Publications (3)

Publication Number	Publication Date
NL7415561A true NL7415561A (en)	1975-05-30
NL181158B NL181158B (en)	1987-01-16
NL181158C NL181158C (en)	1987-06-16

Family

ID=10473323

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7415561,A NL181158C (en)	1973-11-28	1974-11-28	ELECTRIC BULB AND METHOD FOR MANUFACTURING THIS BULB.

Country Status (12)

Country	Link
JP (1)	JPS5086187A (en)
AT (1)	AT351632B (en)
BE (1)	BE820427R (en)
CA (1)	CA985359A (en)
CH (1)	CH607326A5 (en)
DE (1)	DE2452029C3 (en)
FR (1)	FR2252651B2 (en)
GB (1)	GB1387240A (en)
IT (1)	IT1046818B (en)
NL (1)	NL181158C (en)
SE (1)	SE396670B (en)
ZA (1)	ZA745614B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8302494D0 (en) *	1983-01-29	1983-03-02	Emi Plc Thorn	Tungsten halogen incandescent lamps

1973
- 1973-11-28 GB GB5523073A patent/GB1387240A/en not_active Expired
- 1973-12-11 SE SE7316709A patent/SE396670B/en unknown
1974
- 1974-07-03 CA CA203,907A patent/CA985359A/en not_active Expired
- 1974-09-04 ZA ZA00745614A patent/ZA745614B/en unknown
- 1974-09-25 IT IT27693/74A patent/IT1046818B/en active
- 1974-09-27 BE BE148966A patent/BE820427R/en active
- 1974-10-01 CH CH1320574A patent/CH607326A5/xx not_active IP Right Cessation
- 1974-10-18 AT AT838774A patent/AT351632B/en not_active IP Right Cessation
- 1974-11-02 DE DE2452029A patent/DE2452029C3/en not_active Expired
- 1974-11-27 FR FR7438884A patent/FR2252651B2/fr not_active Expired
- 1974-11-28 NL NLAANVRAGE7415561,A patent/NL181158C/en not_active IP Right Cessation
- 1974-11-28 JP JP49137664A patent/JPS5086187A/ja active Pending

Also Published As

Publication number	Publication date
ZA745614B (en)	1975-11-26
DE2452029A1 (en)	1975-06-05
IT1046818B (en)	1980-07-31
CH607326A5 (en)	1978-12-15
DE2452029B2 (en)	1979-05-31
FR2252651B2 (en)	1978-12-08
GB1387240A (en)	1975-03-12
FR2252651A2 (en)	1975-06-20
SE396670B (en)	1977-09-26
DE2452029C3 (en)	1980-01-24
NL181158B (en)	1987-01-16
SE7316709L (en)	1975-05-29
CA985359A (en)	1976-03-09
JPS5086187A (en)	1975-07-11
AU7335974A (en)	1976-03-18
ATA838774A (en)	1979-01-15
BE820427R (en)	1975-01-16
NL181158C (en)	1987-06-16
AT351632B (en)	1979-08-10

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Legal Events

Date	Code	Title
1981-12-01	BA	A request for search or an international-type search has been filed
1982-01-04	BB	A search report has been drawn up
1982-05-03	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1993-07-16	V1	Lapsed because of non-payment of the annual fee