BE501021A - - Google Patents

Info

Publication number: BE501021A
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.)

1951-01-31

Publication of BE501021A publication Critical patent/BE501021A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight

BE501021D 1951-01-31 BE501021A (cs)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US208721A US2669676A (en)	1951-01-31	1951-01-31	Electric lamp for mixed light

Publications (1)

Publication Number	Publication Date
BE501021A true BE501021A (cs)

Family

ID=22775754

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE501021D BE501021A (cs)	1951-01-31

Country Status (5)

Country	Link
US (1)	US2669676A (cs)
BE (1)	BE501021A (cs)
CH (1)	CH303446A (cs)
FR (1)	FR1035657A (cs)
NL (1)	NL158929B (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3110833A (en) *	1961-02-21	1963-11-12	Westinghouse Electric Corp	Multiple envelope high pressure mercury vapor discharge lamp
US4208603A (en) *	1979-02-08	1980-06-17	General Electric Company	Electric lamp having improved inlead construction
AU2002214567A1 (en) *	2000-10-04	2002-04-15	Theodore Mcbain	Independent dual-function light bulb

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2163428A (en) *	1931-07-21	1939-06-20	Gen Electric	Enclosed arc lamp
US1956599A (en) *	1932-02-13	1934-05-01	Sperti Lamp Corp	Lamp
US2020737A (en) *	1932-12-24	1935-11-12	Gen Electric	Gaseous electric discharge arc lamp
GB484328A (en) *	1936-12-18	1938-05-04	Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh	Improvements in combinations of metal vapour electric discharge devices, adapted to emit radiation, and electric incandescent lamps
BE428407A (cs) *	1937-06-04
US2265396A (en) *	1937-09-18	1941-12-09	Gen Electric	Gaseous electric discharge device
US2277876A (en) *	1938-11-09	1942-03-31	Michel E Macksoud	Electric lamp
US2275768A (en) *	1939-06-17	1942-03-10	Gen Electric	Electric lamp

0
- BE BE501021D patent/BE501021A/xx unknown
- NL NL7018225.A patent/NL158929B/xx unknown
1950
- 1950-02-02 CH CH303446D patent/CH303446A/de unknown
1951
- 1951-01-31 US US208721A patent/US2669676A/en not_active Expired - Lifetime
- 1951-02-02 FR FR1035657D patent/FR1035657A/fr not_active Expired

Also Published As

Publication number	Publication date
CH303446A (de)	1954-11-30
US2669676A (en)	1954-02-16
NL158929B (nl)
FR1035657A (fr)	1953-08-27

Publication	Publication Date	Title
IT498925A (cs)
AT175432B (cs)
AT190786B (cs)	1957-07-25
AT197970B (cs)	1958-05-27
FR972252A (cs)	1951-01-29
AT195616B (cs)	1958-02-25
AT192177A (cs)	1957-10-10
BE500588A (cs)
BE500996A (cs)
BE500688A (cs)
LU31576A1 (cs)
BE501476A (cs)
BE501201A (cs)
BE500297A (cs)
BE498982A (cs)
BE498467A (cs)
BE494945A (cs)
BE491096A (cs)
BE491015A (cs)
BE480026A (cs)
BE477312A (cs)
BE466790A (cs)
BE422752A (cs)
BE16335A (cs)
BE500745A (cs)