BE404739A - - Google Patents
Info
- Publication number
- BE404739A BE404739A BE404739DA BE404739A BE 404739 A BE404739 A BE 404739A BE 404739D A BE404739D A BE 404739DA BE 404739 A BE404739 A BE 404739A
- 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
- H01J17/06—Cathodes
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE438227X | 1933-09-07 | ||
| US74300643A | 1934-09-06 | 1934-09-06 | |
| US743006A US2119913A (en) | 1933-09-07 | 1934-09-06 | Cathode for discharge tubes |
| US195890A US2169643A (en) | 1933-09-07 | 1938-03-14 | Incandescible cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE404739A true BE404739A (fr) |
Family
ID=32074457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE404739D BE404739A (fr) | 1933-09-07 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2169643A (fr) |
| BE (1) | BE404739A (fr) |
| GB (1) | GB438227A (fr) |
| NL (1) | NL42650C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2512538A (en) * | 1949-07-26 | 1950-06-20 | Atomic Energy Commission | Electric discharge device |
-
0
- NL NL42650D patent/NL42650C/xx active
- BE BE404739D patent/BE404739A/xx unknown
-
1934
- 1934-08-16 GB GB23668/34A patent/GB438227A/en not_active Expired
-
1938
- 1938-03-14 US US195890A patent/US2169643A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL42650C (fr) | |
| US2169643A (en) | 1939-08-15 |
| GB438227A (en) | 1935-11-13 |