BE478359A - - Google Patents
Info
- Publication number
- BE478359A BE478359A BE478359DA BE478359A BE 478359 A BE478359 A BE 478359A BE 478359D A BE478359D A BE 478359DA BE 478359 A BE478359 A BE 478359A
- Authority
- BE
- Belgium
Links
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
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 (xx) |
Family
ID=23646343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE478359D BE478359A (xx) | 1941-10-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2339166A (xx) |
| BE (1) | BE478359A (xx) |
| CH (1) | CH267806A (xx) |
| DE (1) | DE948796C (xx) |
| FR (1) | FR950823A (xx) |
| GB (1) | GB560244A (xx) |
Families Citing this family (12)
| 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 (xx) * | 1956-06-28 | |||
| US4316120A (en) * | 1979-06-13 | 1982-02-16 | General Electric Company | Circular fluorescent lamp unit |
| GB2222874B (en) * | 1988-09-20 | 1992-11-11 | Toshiba Lighting & Technology | Tiltable lamp structure |
| US5173062A (en) * | 1990-08-31 | 1992-12-22 | Koito Manufacturing Co., Ltd. | Discharge lamp connector assembly |
| DE29600594U1 (de) * | 1996-01-15 | 1997-05-07 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | 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)
| 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 |
|---|---|
| CH267806A (de) | 1950-04-15 |
| GB560244A (en) | 1944-03-27 |
| US2339166A (en) | 1944-01-11 |
| FR950823A (fr) | 1949-10-07 |
| DE948796C (de) | 1956-09-06 |