BE395224A - - Google Patents
Info
- Publication number
- BE395224A BE395224A BE395224DA BE395224A BE 395224 A BE395224 A BE 395224A BE 395224D A BE395224D A BE 395224DA BE 395224 A BE395224 A BE 395224A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US600366A US1966211A (en) | 1932-03-24 | 1932-03-24 | Cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE395224A true BE395224A (US07534539-20090519-C00280.png) |
Family
ID=32508278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE395224D BE395224A (US07534539-20090519-C00280.png) | 1932-03-24 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1966211A (US07534539-20090519-C00280.png) |
| BE (1) | BE395224A (US07534539-20090519-C00280.png) |
| FR (1) | FR753113A (US07534539-20090519-C00280.png) |
| GB (1) | GB405466A (US07534539-20090519-C00280.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2464702A (en) * | 1944-11-04 | 1949-03-15 | Hartford Nat Bank & Trust Co | Process for manufacturing cathodes for electron discharge tubes |
| US2840751A (en) * | 1953-05-28 | 1958-06-24 | Westinghouse Electric Corp | Electrode coating composition and electrode for cold cathode gas discharge lamp |
-
0
- BE BE395224D patent/BE395224A/xx unknown
-
1932
- 1932-03-24 US US600366A patent/US1966211A/en not_active Expired - Lifetime
-
1933
- 1933-02-20 GB GB5233/33A patent/GB405466A/en not_active Expired
- 1933-03-24 FR FR753113D patent/FR753113A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1966211A (en) | 1934-07-10 |
| GB405466A (US07534539-20090519-C00280.png) | 1934-02-08 |
| FR753113A (fr) | 1933-10-07 |
