NL25564C - - Google Patents
Info
- Publication number
- NL25564C NL25564C NL25564DA NL25564C NL 25564 C NL25564 C NL 25564C NL 25564D A NL25564D A NL 25564DA NL 25564 C NL25564 C NL 25564C
- 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 |
|---|---|---|---|
| US319245TA | 1928-09-18 | 1928-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL25564C true NL25564C (ja�@�@) |
Family
ID=31945921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL25564D NL25564C (ja�@�@) | 1928-09-18 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE363827A (ja�@�@) |
| FR (1) | FR681933A (ja�@�@) |
| GB (1) | GB319245A (ja�@�@) |
| NL (1) | NL25564C (ja�@�@) |
-
0
- NL NL25564D patent/NL25564C/xx active
- BE BE363827D patent/BE363827A/xx unknown
-
1929
- 1929-09-18 GB GB28319/29A patent/GB319245A/en not_active Expired
- 1929-09-18 FR FR681933D patent/FR681933A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE363827A (ja�@�@) | |
| FR681933A (fr) | 1930-05-21 |
| GB319245A (ja�@�@) | 1930-09-25 |