BE487465A - - Google Patents

Info

Publication number
BE487465A
BE487465A BE487465DA BE487465A BE 487465 A BE487465 A BE 487465A BE 487465D A BE487465D A BE 487465DA BE 487465 A BE487465 A BE 487465A
Authority
BE
Belgium
Application number
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.)
Publication of BE487465A publication Critical patent/BE487465A/xx

Links

Classifications

    • 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
    • H01K1/26—Screens; Filters
BE487465D 1948-02-21 BE487465A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9984A US2494916A (en) 1948-02-21 1948-02-21 Electric lamp with blackening collector

Publications (1)

Publication Number Publication Date
BE487465A true BE487465A (enrdf_load_stackoverflow)

Family

ID=21740847

Family Applications (1)

Application Number Title Priority Date Filing Date
BE487465D BE487465A (enrdf_load_stackoverflow) 1948-02-21

Country Status (4)

Country Link
US (1) US2494916A (enrdf_load_stackoverflow)
BE (1) BE487465A (enrdf_load_stackoverflow)
GB (1) GB657220A (enrdf_load_stackoverflow)
NL (2) NL144929B (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2812465A (en) * 1954-05-10 1957-11-05 Kenneth J Germeshausen Gaseous-discharge device
US2931933A (en) * 1958-03-28 1960-04-05 Bell & Howell Co Incandescent lamp
US3209192A (en) * 1960-12-29 1965-09-28 Westinghouse Electric Corp Decorative electric lamp with specular coating
US3348094A (en) * 1965-12-28 1967-10-17 Sylvania Electric Prod Projection lamp including a blackening control device
NL6607798A (enrdf_load_stackoverflow) * 1966-06-04 1967-12-05
US4280076A (en) * 1978-10-18 1981-07-21 Duro-Test Corporation Incandescent lamp with structure for collecting evaporated filament material
WO2002023589A1 (en) * 2000-09-14 2002-03-21 Koninklijke Philips Electronics N.V. Fluorescent lamp and method of manufacturing same
CN114352955A (zh) * 2021-12-22 2022-04-15 杭州天都照明电器有限公司 用于led灯丝灯的芯柱、led灯丝灯、led灯和灯具

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2183952A (en) * 1938-05-13 1939-12-19 Westinghouse Electric & Mfg Co Fuse lead construction for electric lamps
US2208987A (en) * 1938-05-24 1940-07-23 Gen Electric Electric incandescent lamp
US2379058A (en) * 1943-04-06 1945-06-26 Westinghouse Electric Corp Lamp with means to improve lumen maintenance

Also Published As

Publication number Publication date
NL144929B (nl)
GB657220A (en) 1951-09-12
NL80117C (enrdf_load_stackoverflow)
US2494916A (en) 1950-01-17

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