NL38838C - - Google Patents
Info
- Publication number
- NL38838C NL38838C NL38838DA NL38838C NL 38838 C NL38838 C NL 38838C NL 38838D A NL38838D A NL 38838DA NL 38838 C NL38838 C NL 38838C
- 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
- H01J17/22—Means for obtaining or maintaining the desired pressure within the tube
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE430460X | 1933-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL38838C true NL38838C (en:Method) |
Family
ID=6480546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL38838D NL38838C (en:Method) | 1933-09-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2046671A (en:Method) |
| BE (1) | BE404629A (en:Method) |
| FR (1) | FR777102A (en:Method) |
| GB (1) | GB430460A (en:Method) |
| NL (1) | NL38838C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2451847A (en) * | 1943-04-02 | 1948-10-19 | Westinghouse Electric Corp | Base structure for electron discharge tubes |
-
0
- NL NL38838D patent/NL38838C/xx active
- BE BE404629D patent/BE404629A/xx unknown
-
1934
- 1934-08-10 FR FR777102D patent/FR777102A/fr not_active Expired
- 1934-08-13 GB GB23336/34A patent/GB430460A/en not_active Expired
- 1934-08-21 US US740836A patent/US2046671A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE404629A (en:Method) | |
| GB430460A (en) | 1935-06-19 |
| FR777102A (fr) | 1935-02-12 |
| US2046671A (en) | 1936-07-07 |