NL36967C - - Google Patents
Info
- Publication number
- NL36967C NL36967C NL36967DA NL36967C NL 36967 C NL36967 C NL 36967C NL 36967D A NL36967D A NL 36967DA NL 36967 C NL36967 C NL 36967C
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| US514931A US1998884A (en) | 1931-02-11 | 1931-02-11 | Electric discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL36967C true NL36967C (en) |
Family
ID=24049276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL36967D NL36967C (en) | 1931-02-11 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1998884A (en) |
| DE (1) | DE668731C (en) |
| FR (1) | FR734074A (en) |
| GB (1) | GB392963A (en) |
| NL (1) | NL36967C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2687471A (en) * | 1948-05-01 | 1954-08-24 | Western Union Telegraph Co | Concentrated arc discharge device |
| US3394280A (en) * | 1966-08-01 | 1968-07-23 | Terry M. Trumble | Ultraviolet detector tube having photoemissive cathode and gas filling |
-
0
- NL NL36967D patent/NL36967C/xx active
-
1931
- 1931-02-11 US US514931A patent/US1998884A/en not_active Expired - Lifetime
- 1931-11-27 GB GB32920/31A patent/GB392963A/en not_active Expired
-
1932
- 1932-01-25 FR FR734074D patent/FR734074A/en not_active Expired
- 1932-02-12 DE DEI43726D patent/DE668731C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE668731C (en) | 1938-12-09 |
| GB392963A (en) | 1933-05-29 |
| FR734074A (en) | 1932-10-15 |
| US1998884A (en) | 1935-04-23 |