NL40061C - - Google Patents
Info
- Publication number
- NL40061C NL40061C NL40061DA NL40061C NL 40061 C NL40061 C NL 40061C NL 40061D A NL40061D A NL 40061DA NL 40061 C NL40061 C NL 40061C
- 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
- H01J17/50—Thermionic-cathode tubes
- H01J17/52—Thermionic-cathode tubes with one cathode and one anode
- H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
- H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US438362XA | 1934-03-23 | 1934-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL40061C true NL40061C (ja�@�@) |
Family
ID=21929141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL40061D NL40061C (ja�@�@) | 1934-03-23 |
Country Status (4)
| Country | Link |
|---|---|
| ES (1) | ES134654A1 (ja�@�@) |
| FR (1) | FR775586A (ja�@�@) |
| GB (1) | GB438362A (ja�@�@) |
| NL (1) | NL40061C (ja�@�@) |
-
0
- NL NL40061D patent/NL40061C/xx active
-
1934
- 1934-05-11 GB GB14354/34A patent/GB438362A/en not_active Expired
- 1934-06-02 ES ES0134654A patent/ES134654A1/es not_active Expired
- 1934-06-06 FR FR775586D patent/FR775586A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB438362A (en) | 1935-11-11 |
| FR775586A (fr) | 1935-01-04 |
| ES134654A1 (es) | 1934-08-16 |