FR795442A - Improvement in protective screen glasses - Google Patents
Improvement in protective screen glassesInfo
- Publication number
- FR795442A FR795442A FR795442DA FR795442A FR 795442 A FR795442 A FR 795442A FR 795442D A FR795442D A FR 795442DA FR 795442 A FR795442 A FR 795442A
- Authority
- FR
- France
- Prior art keywords
- improvement
- protective screen
- screen glasses
- glasses
- protective
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C9/00—Attaching auxiliary optical parts
- G02C9/04—Attaching auxiliary optical parts by fitting over or clamping on
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR795442T | 1935-09-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR795442A true FR795442A (en) | 1936-03-13 |
Family
ID=9234625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR795442D Expired FR795442A (en) | 1935-09-27 | 1935-09-27 | Improvement in protective screen glasses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR795442A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE890871C (en) * | 1951-07-07 | 1953-09-24 | Ludwig Saborowski | Dimming screen to switch on between the eye and the light source on glasses or lamps |
-
1935
- 1935-09-27 FR FR795442D patent/FR795442A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE890871C (en) * | 1951-07-07 | 1953-09-24 | Ludwig Saborowski | Dimming screen to switch on between the eye and the light source on glasses or lamps |
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