GB2302208B - Electric incandescent lamps - Google Patents

Electric incandescent lamps

Info

Publication number
GB2302208B
GB2302208B GB9511724A GB9511724A GB2302208B GB 2302208 B GB2302208 B GB 2302208B GB 9511724 A GB9511724 A GB 9511724A GB 9511724 A GB9511724 A GB 9511724A GB 2302208 B GB2302208 B GB 2302208B
Authority
GB
United Kingdom
Prior art keywords
incandescent lamps
electric incandescent
electric
lamps
incandescent
Prior art date
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 - Fee Related
Application number
GB9511724A
Other versions
GB9511724D0 (en
GB2302208A (en
Inventor
John A Stocks
Roger Alan Hume
David Osborn Wharmby
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.)
General Electric Co
Original Assignee
General Electric Co
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.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Priority to GB9511724A priority Critical patent/GB2302208B/en
Publication of GB9511724D0 publication Critical patent/GB9511724D0/en
Publication of GB2302208A publication Critical patent/GB2302208A/en
Application granted granted Critical
Publication of GB2302208B publication Critical patent/GB2302208B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325—Reflecting coating
GB9511724A 1995-06-09 1995-06-09 Electric incandescent lamps Expired - Fee Related GB2302208B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9511724A GB2302208B (en) 1995-06-09 1995-06-09 Electric incandescent lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9511724A GB2302208B (en) 1995-06-09 1995-06-09 Electric incandescent lamps

Publications (3)

Publication Number Publication Date
GB9511724D0 GB9511724D0 (en) 1995-08-02
GB2302208A GB2302208A (en) 1997-01-08
GB2302208B true GB2302208B (en) 1998-11-11

Family

ID=10775798

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9511724A Expired - Fee Related GB2302208B (en) 1995-06-09 1995-06-09 Electric incandescent lamps

Country Status (1)

Country Link
GB (1) GB2302208B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148588A (en) * 1983-08-22 1985-05-30 Toshiba Kk Bulb
US4701663A (en) * 1984-10-24 1987-10-20 Kabushiki Kaisha Toshiba Lamp having interference film
EP0328379A2 (en) * 1988-02-10 1989-08-16 Kabushiki Kaisha Toshiba Halogen lamp
EP0418784A2 (en) * 1989-09-20 1991-03-27 Hitachi, Ltd. Lamp provided with thin film for reflecting infrared rays
GB2238400A (en) * 1989-11-24 1991-05-29 Toshiba Lighting & Technology Optical interference film for a lamp
EP0735571A2 (en) * 1995-03-31 1996-10-02 Toshiba Lighting & Technology Corporation Incandescent lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148588A (en) * 1983-08-22 1985-05-30 Toshiba Kk Bulb
US4701663A (en) * 1984-10-24 1987-10-20 Kabushiki Kaisha Toshiba Lamp having interference film
EP0328379A2 (en) * 1988-02-10 1989-08-16 Kabushiki Kaisha Toshiba Halogen lamp
EP0418784A2 (en) * 1989-09-20 1991-03-27 Hitachi, Ltd. Lamp provided with thin film for reflecting infrared rays
GB2238400A (en) * 1989-11-24 1991-05-29 Toshiba Lighting & Technology Optical interference film for a lamp
EP0735571A2 (en) * 1995-03-31 1996-10-02 Toshiba Lighting & Technology Corporation Incandescent lamp

Also Published As

Publication number Publication date
GB9511724D0 (en) 1995-08-02
GB2302208A (en) 1997-01-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020609