BE481281A - - Google Patents
Info
- Publication number
- BE481281A BE481281A BE481281DA BE481281A BE 481281 A BE481281 A BE 481281A BE 481281D A BE481281D A BE 481281DA BE 481281 A BE481281 A BE 481281A
- 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 |
|---|---|---|---|
| US256498A US2266800A (en) | 1939-02-15 | 1939-02-15 | Electric discharge lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE481281A true BE481281A (https=) |
Family
ID=22972455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE481281D BE481281A (https=) | 1939-02-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2266800A (https=) |
| BE (1) | BE481281A (https=) |
| FR (1) | FR950547A (https=) |
| GB (1) | GB646386A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE510237A (https=) * | 1951-03-29 |
-
0
- BE BE481281D patent/BE481281A/xx unknown
-
1939
- 1939-02-15 US US256498A patent/US2266800A/en not_active Expired - Lifetime
-
1947
- 1947-07-31 FR FR950547D patent/FR950547A/fr not_active Expired
- 1947-08-07 GB GB21687/47A patent/GB646386A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2266800A (en) | 1941-12-23 |
| GB646386A (en) | 1950-11-22 |
| FR950547A (fr) | 1949-09-29 |