BE399427A - - Google Patents
Info
- Publication number
- BE399427A BE399427A BE399427DA BE399427A BE 399427 A BE399427 A BE 399427A BE 399427D A BE399427D A BE 399427DA BE 399427 A BE399427 A BE 399427A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB25633/33A GB425485A (en) | 1933-09-15 | 1933-09-15 | Improvements in or relating to incandescent electric lamps |
| FR763213T | 1933-10-30 | ||
| BE399427T | 1933-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE399427A true BE399427A (fr) | 1933-11-30 |
Family
ID=10230817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE399427D BE399427A (fr) | 1933-09-15 | 1933-10-31 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE399427A (fr) |
| FR (1) | FR763213A (fr) |
| GB (1) | GB425485A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR222560A (fr) * | 1968-11-04 |
-
1933
- 1933-09-15 GB GB25633/33A patent/GB425485A/en not_active Expired
- 1933-10-30 FR FR763213D patent/FR763213A/fr not_active Expired
- 1933-10-31 BE BE399427D patent/BE399427A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR763213A (fr) | 1934-04-25 |
| GB425485A (en) | 1935-03-15 |