FR752273A - Improvements to glasses - Google Patents
Improvements to glassesInfo
- Publication number
- FR752273A FR752273A FR752273DA FR752273A FR 752273 A FR752273 A FR 752273A FR 752273D A FR752273D A FR 752273DA FR 752273 A FR752273 A FR 752273A
- 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
- G02C5/00—Constructions of non-optical parts
- G02C5/02—Bridges; Browbars; Intermediate bars
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US752273XA | 1933-01-18 | 1933-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR752273A true FR752273A (en) | 1933-09-20 |
Family
ID=22124366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR752273D Expired FR752273A (en) | 1933-01-18 | 1933-03-11 | Improvements to glasses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR752273A (en) |
-
1933
- 1933-03-11 FR FR752273D patent/FR752273A/en not_active Expired
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