FR2217801A1 - - Google Patents

Info

Publication number
FR2217801A1
FR2217801A1 FR7405055A FR7405055A FR2217801A1 FR 2217801 A1 FR2217801 A1 FR 2217801A1 FR 7405055 A FR7405055 A FR 7405055A FR 7405055 A FR7405055 A FR 7405055A FR 2217801 A1 FR2217801 A1 FR 2217801A1
Authority
FR
France
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
FR7405055A
Other languages
French (fr)
Other versions
FR2217801B3 (enExample
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2217801A1 publication Critical patent/FR2217801A1/fr
Application granted granted Critical
Publication of FR2217801B3 publication Critical patent/FR2217801B3/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/02Incandescent bodies
    • H01K1/14Incandescent bodies characterised by the shape
FR7405055A 1973-02-14 1974-02-14 Expired FR2217801B3 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7302046A NL7302046A (enExample) 1973-02-14 1973-02-14

Publications (2)

Publication Number Publication Date
FR2217801A1 true FR2217801A1 (enExample) 1974-09-06
FR2217801B3 FR2217801B3 (enExample) 1976-11-26

Family

ID=19818218

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7405055A Expired FR2217801B3 (enExample) 1973-02-14 1974-02-14

Country Status (8)

Country Link
US (1) US3942063A (enExample)
JP (1) JPS5317830B2 (enExample)
BE (1) BE810920A (enExample)
CA (1) CA1013415A (enExample)
FR (1) FR2217801B3 (enExample)
GB (1) GB1397232A (enExample)
IT (1) IT1007365B (enExample)
NL (1) NL7302046A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686412A (en) * 1986-04-14 1987-08-11 Gte Products Corporation Reflector-type lamp having reduced focus loss
US4683397A (en) * 1986-04-14 1987-07-28 Gte Products Corporation Compact incandescent coiled coil filament
GB9807842D0 (en) 1998-04-09 1998-06-10 Gen Electric Lamp filament
US6690103B1 (en) 1999-07-21 2004-02-10 Alan K. Uke Incandescent light bulb with variable pitch coiled filament
US6856078B2 (en) * 2001-06-27 2005-02-15 Asm America, Inc. Lamp filament design
GB2428877A (en) * 2005-07-25 2007-02-07 Gen Electric Gap-Wound Filament Array and Lamps Using the Same
US7541726B2 (en) * 2006-05-17 2009-06-02 Osram Sylvania Inc. Lamp filament
US7851981B2 (en) 2006-12-22 2010-12-14 Seasonal Specialties, Llc Visible perception of brightness in miniature bulbs for an ornamental lighting circuit
US8581492B2 (en) * 2010-10-20 2013-11-12 General Electric Company Electric incandescent lamp for vehicle headlights with new filament geometry

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1998958A (en) * 1930-04-07 1935-04-23 Gen Electric Connection for filament and lead wires
US2084999A (en) * 1935-10-17 1937-06-29 Birdseye Electric Corp Electric lamp
US2424518A (en) * 1944-12-04 1947-07-22 Gen Electric Coil electrode
US2479193A (en) * 1946-07-08 1949-08-16 Gen Electric Articulated cathode

Also Published As

Publication number Publication date
CA1013415A (en) 1977-07-05
NL7302046A (enExample) 1974-08-16
BE810920A (fr) 1974-08-12
IT1007365B (it) 1976-10-30
JPS49112474A (enExample) 1974-10-26
DE2403475A1 (de) 1974-08-22
JPS5317830B2 (enExample) 1978-06-10
US3942063A (en) 1976-03-02
FR2217801B3 (enExample) 1976-11-26
GB1397232A (en) 1975-06-11
DE2403475B2 (de) 1977-01-20

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Legal Events

Date Code Title Description
ST Notification of lapse