NL88712C - - Google Patents
Info
- Publication number
- NL88712C NL88712C NL88712DA NL88712C NL 88712 C NL88712 C NL 88712C NL 88712D A NL88712D A NL 88712DA NL 88712 C NL88712 C NL 88712C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2517/54A GB801482A (en) | 1954-01-27 | 1954-01-27 | Improvements in or relating to sodium vapour electric discharge lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL88712C true NL88712C (en) |
Family
ID=9740958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL88712D NL88712C (en) | 1954-01-27 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2875358A (en) |
| BE (1) | BE535143A (en) |
| DE (1) | DE1132240B (en) |
| FR (1) | FR1118185A (en) |
| GB (1) | GB801482A (en) |
| MY (1) | MY5900012A (en) |
| NL (1) | NL88712C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3054921A (en) * | 1960-12-08 | 1962-09-18 | Union Carbide Corp | Electric lamp |
| NL185481C (en) * | 1979-11-14 | 1990-04-17 | Philips Nv | LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP. |
| US4600856A (en) * | 1984-05-21 | 1986-07-15 | Gte Products Corporation | Compact low pressure arc discharge lamp |
| DE3425894A1 (en) * | 1984-07-13 | 1986-01-23 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | ELECTRIC LAMP |
| US5043623A (en) * | 1990-12-06 | 1991-08-27 | Gte Products Corporation | Reflector lamp assembly including metal halide arc tube |
| EP1627405B1 (en) * | 2003-05-16 | 2015-04-29 | Koninklijke Philips N.V. | Lamp |
| DE102009055171A1 (en) * | 2009-12-22 | 2011-06-30 | Osram Gesellschaft mit beschränkter Haftung, 81543 | High pressure discharge lamp |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2228327A (en) * | 1929-05-04 | 1941-01-14 | Hans J Spanner | Discharge device |
| AT139286B (en) * | 1933-06-27 | 1934-11-10 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Double-walled electric tube. |
| DE649006C (en) * | 1935-09-23 | 1937-08-16 | Philips Patentverwaltung | Discharge tubes containing vapor, surrounded by an evacuated cover, in particular for emitting light beams |
| DE653077C (en) * | 1936-04-17 | 1937-11-18 | Patra Patent Treuhand | Single-base electrical discharge tubes, in particular metal vapor discharge lamps |
| US2120480A (en) * | 1937-02-26 | 1938-06-14 | Roy C Baker | Insulating terminal for neon tubes |
| US2194300A (en) * | 1937-09-24 | 1940-03-19 | Gen Electric | Vapor lamp and method of operation |
| DE703012C (en) * | 1938-02-18 | 1941-04-04 | Saarbruecker Gluehlampenfabrik | Gas or vapor-filled discharge lamp surrounded by a vacuum jacket |
| US2392305A (en) * | 1943-04-13 | 1946-01-08 | Westinghouse Electric Corp | High efficiency fluorescent lamp |
-
0
- NL NL88712D patent/NL88712C/xx active
- BE BE535143D patent/BE535143A/xx unknown
-
1954
- 1954-01-27 GB GB2517/54A patent/GB801482A/en not_active Expired
-
1955
- 1955-01-24 FR FR1118185D patent/FR1118185A/en not_active Expired
- 1955-01-25 US US483961A patent/US2875358A/en not_active Expired - Lifetime
- 1955-01-26 DE DEG16325A patent/DE1132240B/en active Pending
-
1959
- 1959-12-30 MY MY12/59A patent/MY5900012A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1132240B (en) | 1962-06-28 |
| US2875358A (en) | 1959-02-24 |
| FR1118185A (en) | 1956-06-01 |
| BE535143A (en) | |
| GB801482A (en) | 1958-09-17 |
| MY5900012A (en) | 1959-12-31 |