BE443585A - - Google Patents
Info
- Publication number
- BE443585A BE443585A BE443585DA BE443585A BE 443585 A BE443585 A BE 443585A BE 443585D A BE443585D A BE 443585DA BE 443585 A BE443585 A BE 443585A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL222379X | 1940-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443585A true BE443585A (forum.php) |
Family
ID=19779434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443585D BE443585A (forum.php) | 1940-12-02 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2431136A (forum.php) |
| BE (1) | BE443585A (forum.php) |
| CH (1) | CH222379A (forum.php) |
| FR (1) | FR877387A (forum.php) |
| GB (2) | GB553012A (forum.php) |
| NL (1) | NL60404C (forum.php) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE383516A (forum.php) * | 1930-10-31 | |||
| NL40381C (forum.php) * | 1932-03-03 | |||
| US2107945A (en) * | 1934-11-20 | 1938-02-08 | Gen Electric | Cathode structure |
| US2217185A (en) * | 1935-12-21 | 1940-10-08 | Raytheon Mfg Co | Gaseous discharge device |
-
0
- BE BE443585D patent/BE443585A/xx unknown
- NL NL60404D patent/NL60404C/xx active
-
1941
- 1941-12-01 CH CH222379D patent/CH222379A/de unknown
- 1941-12-02 FR FR877387D patent/FR877387A/fr not_active Expired
-
1942
- 1942-01-26 GB GB1096/42A patent/GB553012A/en not_active Expired
-
1943
- 1943-01-23 US US473404A patent/US2431136A/en not_active Expired - Lifetime
-
1945
- 1945-12-20 GB GB34496/45A patent/GB602435A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2431136A (en) | 1947-11-18 |
| NL60404C (forum.php) | |
| GB602435A (en) | 1948-05-26 |
| CH222379A (de) | 1942-07-15 |
| FR877387A (fr) | 1942-12-04 |
| GB553012A (en) | 1943-05-04 |