BE477393A - - Google Patents
Info
- Publication number
- BE477393A BE477393A BE477393DA BE477393A BE 477393 A BE477393 A BE 477393A BE 477393D A BE477393D A BE 477393DA BE 477393 A BE477393 A BE 477393A
- 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
- H01J9/40—Closing vessels
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US608676XA | 1945-03-13 | 1945-03-13 | |
| US708919A US2473860A (en) | 1946-11-09 | 1946-11-09 | Internal exhaust seal for electric lamps and similar devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477393A true BE477393A (xx) |
Family
ID=26740433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477393D BE477393A (xx) | 1945-03-13 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE477393A (xx) |
| GB (2) | GB608676A (xx) |
| NL (1) | NL71352C (xx) |
-
0
- BE BE477393D patent/BE477393A/xx unknown
- NL NL71352D patent/NL71352C/xx active
-
1946
- 1946-02-27 GB GB6071/46A patent/GB608676A/en not_active Expired
-
1947
- 1947-11-05 GB GB29524/47A patent/GB629833A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB629833A (en) | 1949-09-29 |
| NL71352C (xx) | |
| GB608676A (en) | 1948-09-20 |