BE423936A - - Google Patents
Info
- Publication number
- BE423936A BE423936A BE423936DA BE423936A BE 423936 A BE423936 A BE 423936A BE 423936D A BE423936D A BE 423936DA BE 423936 A BE423936 A BE 423936A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26976/36A GB484566A (en) | 1936-10-05 | 1936-10-05 | Improvements in and relating to electric incandescent lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE423936A true BE423936A (en) |
Family
ID=10252160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE423936D BE423936A (en) | 1936-10-05 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2275674A (en) |
| BE (1) | BE423936A (en) |
| FR (1) | FR827499A (en) |
| GB (1) | GB484566A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2894166A (en) * | 1949-04-02 | 1959-07-07 | Heraeus Gmbh W C | Heat radiation devices |
| US2732513A (en) * | 1952-01-31 | 1956-01-24 | anderson | |
| US5045748A (en) * | 1985-11-15 | 1991-09-03 | General Electric Company | Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such |
| US4810932A (en) * | 1985-11-15 | 1989-03-07 | General Electric Company | Tungsten-halogen incandescent and metal vapor discharge lamps and processes of making such |
-
0
- BE BE423936D patent/BE423936A/xx unknown
-
1936
- 1936-10-05 GB GB26976/36A patent/GB484566A/en not_active Expired
-
1937
- 1937-10-05 US US167354A patent/US2275674A/en not_active Expired - Lifetime
- 1937-10-05 FR FR827499D patent/FR827499A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB484566A (en) | 1938-05-05 |
| FR827499A (en) | 1938-04-27 |
| US2275674A (en) | 1942-03-10 |