NL23853C - - Google Patents
Info
- Publication number
- NL23853C NL23853C NL23853DA NL23853C NL 23853 C NL23853 C NL 23853C NL 23853D A NL23853D A NL 23853DA NL 23853 C NL23853 C NL 23853C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K7/00—Lamps for purposes other than general lighting
- H01K7/02—Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL312333X | 1928-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL23853C true NL23853C (en:Method) |
Family
ID=19783671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL23853D NL23853C (en:Method) | 1928-05-26 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR656576A (en:Method) |
| GB (1) | GB312333A (en:Method) |
| NL (1) | NL23853C (en:Method) |
-
0
- NL NL23853D patent/NL23853C/xx active
-
1928
- 1928-06-27 FR FR656576D patent/FR656576A/fr not_active Expired
- 1928-08-22 GB GB24190/28A patent/GB312333A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB312333A (en) | 1929-07-11 |
| FR656576A (fr) | 1929-05-10 |