NL25068C - - Google Patents
Info
- Publication number
- NL25068C NL25068C NL25068DA NL25068C NL 25068 C NL25068 C NL 25068C NL 25068D A NL25068D A NL 25068DA NL 25068 C NL25068 C NL 25068C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/18—Supports; Vibration-damping arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US229728A US1866358A (en) | 1927-10-29 | 1927-10-29 | Electrode support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL25068C true NL25068C (en:Method) |
Family
ID=22862463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL25068D NL25068C (en:Method) | 1927-10-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1866358A (en:Method) |
| FR (1) | FR35993E (en:Method) |
| GB (1) | GB299730A (en:Method) |
| NL (1) | NL25068C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3579021A (en) * | 1969-04-30 | 1971-05-18 | Sylvania Electric Prod | Incandescent lamp having linear output |
-
0
- NL NL25068D patent/NL25068C/xx active
-
1927
- 1927-10-29 US US229728A patent/US1866358A/en not_active Expired - Lifetime
-
1928
- 1928-10-12 FR FR35993D patent/FR35993E/fr not_active Expired
- 1928-10-29 GB GB31404/28A patent/GB299730A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB299730A (en:Method) | 1929-09-05 |
| FR35993E (fr) | 1930-04-05 |
| US1866358A (en) | 1932-07-05 |