FR1181332A - Improvements to glasses - Google Patents
Improvements to glassesInfo
- Publication number
- FR1181332A FR1181332A FR1181332DA FR1181332A FR 1181332 A FR1181332 A FR 1181332A FR 1181332D A FR1181332D A FR 1181332DA FR 1181332 A FR1181332 A FR 1181332A
- Authority
- FR
- France
- Prior art keywords
- glasses
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
- G02C7/165—Shades; shields; Obturators, e.g. with pinhole, with slot with stenopaeic apertures
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1181332T | 1957-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1181332A true FR1181332A (en) | 1959-06-15 |
Family
ID=9662096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1181332D Expired FR1181332A (en) | 1957-08-20 | 1957-08-20 | Improvements to glasses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1181332A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2683917A1 (en) * | 1991-11-18 | 1993-05-21 | Joly Gibert France | Spectacles for helping vision and eye comfort |
-
1957
- 1957-08-20 FR FR1181332D patent/FR1181332A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2683917A1 (en) * | 1991-11-18 | 1993-05-21 | Joly Gibert France | Spectacles for helping vision and eye comfort |
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