BE440990A - - Google Patents
Info
- Publication number
- BE440990A BE440990A BE440990DA BE440990A BE 440990 A BE440990 A BE 440990A BE 440990D A BE440990D A BE 440990DA BE 440990 A BE440990 A BE 440990A
- Authority
- BE
- Belgium
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
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL222055X | 1940-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440990A true BE440990A (xx) |
Family
ID=19779413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440990D BE440990A (xx) | 1940-03-27 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2319338A (xx) |
| BE (1) | BE440990A (xx) |
| CH (1) | CH222055A (xx) |
| DE (1) | DE1079214B (xx) |
| FR (1) | FR871060A (xx) |
| GB (2) | GB549992A (xx) |
| NL (1) | NL58861C (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2276681A1 (fr) * | 1974-06-28 | 1976-01-23 | Thomson Csf | Grille pour tube electronique et tube comportant une telle grille |
| US4598226A (en) * | 1984-12-17 | 1986-07-01 | Clegg John E | Concave conical foil-filament lamp |
| US4585971A (en) * | 1984-12-18 | 1986-04-29 | Clegg John E | Flat circular foil-filament lamp |
| DE3517060A1 (de) * | 1985-05-11 | 1986-11-13 | Trützschler GmbH & Co KG, 4050 Mönchengladbach | Vorrichtung an einer karde mit einer faserbandeinlegevorrichtung |
-
0
- BE BE440990D patent/BE440990A/xx unknown
- NL NL58861D patent/NL58861C/xx active
-
1941
- 1941-03-24 DE DEP2169D patent/DE1079214B/de active Pending
- 1941-03-25 FR FR871060D patent/FR871060A/fr not_active Expired
- 1941-03-25 CH CH222055D patent/CH222055A/de unknown
- 1941-04-09 US US387762A patent/US2319338A/en not_active Expired - Lifetime
- 1941-06-06 GB GB7201/41A patent/GB549992A/en not_active Expired
-
1946
- 1946-08-01 GB GB22917/46A patent/GB601200A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL58861C (xx) | |
| FR871060A (fr) | 1942-04-07 |
| CH222055A (de) | 1942-06-30 |
| DE1079214B (de) | 1960-04-07 |
| GB549992A (en) | 1942-12-17 |
| US2319338A (en) | 1943-05-18 |
| GB601200A (en) | 1948-04-29 |