NL52726C - - Google Patents
Info
- Publication number
- NL52726C NL52726C NL52726DA NL52726C NL 52726 C NL52726 C NL 52726C NL 52726D A NL52726D A NL 52726DA NL 52726 C NL52726 C NL 52726C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/30—Envelopes; Vessels incorporating lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE497880X | 1936-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL52726C true NL52726C (en:Method) |
Family
ID=6545235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL52726D NL52726C (en:Method) | 1936-12-08 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR830156A (en:Method) |
| GB (1) | GB497880A (en:Method) |
| NL (1) | NL52726C (en:Method) |
-
0
- NL NL52726D patent/NL52726C/xx active
-
1937
- 1937-11-30 FR FR830156D patent/FR830156A/fr not_active Expired
- 1937-12-08 GB GB33993/37A patent/GB497880A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB497880A (en) | 1938-12-30 |
| FR830156A (fr) | 1938-07-22 |