NL67857C - - Google Patents
Info
- Publication number
- NL67857C NL67857C NL137143A NL137143A NL67857C NL 67857 C NL67857 C NL 67857C NL 137143 A NL137143 A NL 137143A NL 137143 A NL137143 A NL 137143A NL 67857 C NL67857 C NL 67857C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/12—Polarisers
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
- Polarising Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR918436T | 1945-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL67857C true NL67857C (forum.php) | 1951-04-17 |
Family
ID=9424431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL137143A NL67857C (forum.php) | 1945-12-06 | 1947-12-19 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE478575A (forum.php) |
| FR (1) | FR918436A (forum.php) |
| NL (1) | NL67857C (forum.php) |
-
1945
- 1945-12-06 FR FR918436D patent/FR918436A/fr not_active Expired
-
1947
- 1947-12-19 NL NL137143A patent/NL67857C/xx active
- 1947-12-24 BE BE478575D patent/BE478575A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR918436A (fr) | 1947-02-07 |
| BE478575A (forum.php) | 1948-01-31 |