BE478359A - - Google Patents

Info

Publication number: BE478359A
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.)

1941-10-18

Publication of BE478359A publication Critical patent/BE478359A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
- H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
- H01J5/56—Shape of the separate part
- H01J5/565—Bases for circular lamps
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/44—One or more circuit elements structurally associated with the tube or lamp

BE478359D 1941-10-18 BE478359A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US415594A US2339166A (en)	1941-10-18	1941-10-18	Circular electric lamp

Publications (1)

Publication Number	Publication Date
BE478359A true BE478359A (enrdf_load_html_response)

Family

ID=23646343

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE478359D BE478359A (enrdf_load_html_response)	1941-10-18

Country Status (6)

Country	Link
US (1)	US2339166A (enrdf_load_html_response)
BE (1)	BE478359A (enrdf_load_html_response)
CH (1)	CH267806A (enrdf_load_html_response)
DE (1)	DE948796C (enrdf_load_html_response)
FR (1)	FR950823A (enrdf_load_html_response)
GB (1)	GB560244A (enrdf_load_html_response)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2419965A (en) *	1945-01-26	1947-05-06	Alphonse F Pieper	Electric lighting means
US2507074A (en) *	1945-04-23	1950-05-09	Arthur E Wiedenhoeft	Lighting fixture for circular fluorescent and incandescent lamps
US2453986A (en) *	1945-05-07	1948-11-16	Gen Electric	Circular electric lamp
US2448937A (en) *	1945-07-03	1948-09-07	George L Walter	Neon light
DE928188C (de) *	1951-10-13	1955-05-26	Philips Nv	Verfahren zur Herstellung eines ringfoermigen Entladungsgefaesses und nach diesem Verfahren hergestellte ringfoermige Entladungslampe
US2993191A (en) *	1956-03-28	1961-07-18	Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh	Base for electric discharge lamp
BE556203A (enrdf_load_html_response) *	1956-06-28
US4316120A (en) *	1979-06-13	1982-02-16	General Electric Company	Circular fluorescent lamp unit
USD279128S (en)	1981-11-04	1985-06-04	Tokyo Shibaura Denki Kabushiki Kaisha	Fluorescent lamp
USD279127S (en)	1982-11-29	1985-06-04	Tokyo Shibaura Denki Kabushiki Kaisha	Fluorescent lamp
USD279031S (en)	1982-11-29	1985-05-28	Tokyo Shibaura Denki Kabushiki Kaisha	Fluorescent lamp
GB2222874B (en) *	1988-09-20	1992-11-11	Toshiba Lighting & Technology	Tiltable lamp structure
DE4128928C2 (de) *	1990-08-31	1996-12-12	Koito Mfg Co Ltd	Elektrische Verbindungseinheit für eine Hochdruck-Entladungslampe
DE29600594U1 (de) *	1996-01-15	1997-05-07	Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München	Einseitig gesockelte Niederdruckentladungslampe und zugehörige Fassung
GB2359659A (en) *	2000-02-28	2001-08-29	William Alan Glasson	Separate enclosure fluorescent lighting fitting

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USRE18798E (en) *	1928-03-07	1933-04-18		Discharge tube
US2209052A (en) *	1939-03-13	1940-07-23	Frank H Corlburg	Headlight for automobiles
US2227173A (en) *	1940-03-15	1940-12-31	Herbert W Barthels	Luminous gas-tube unit

0
- BE BE478359D patent/BE478359A/xx unknown
1941
- 1941-10-18 US US415594A patent/US2339166A/en not_active Expired - Lifetime
1942
- 1942-10-16 GB GB14531/42A patent/GB560244A/en not_active Expired
1947
- 1947-05-24 CH CH267806D patent/CH267806A/de unknown
- 1947-08-02 FR FR950823D patent/FR950823A/fr not_active Expired
1950
- 1950-09-06 DE DEI1835A patent/DE948796C/de not_active Expired

Also Published As

Publication number	Publication date
GB560244A (en)	1944-03-27
US2339166A (en)	1944-01-11
DE948796C (de)	1956-09-06
CH267806A (de)	1950-04-15
FR950823A (fr)	1949-10-07

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BE442109A (enrdf_load_html_response)	1941-08-30
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BE441571A (enrdf_load_html_response)	1941-06-30
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BE441713A (enrdf_load_html_response)	1941-07-31
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