FR846446A - Spectacle frame for bifocal lenses - Google Patents
Spectacle frame for bifocal lensesInfo
- Publication number
- FR846446A FR846446A FR846446DA FR846446A FR 846446 A FR846446 A FR 846446A FR 846446D A FR846446D A FR 846446DA FR 846446 A FR846446 A FR 846446A
- Authority
- FR
- France
- Prior art keywords
- spectacle frame
- bifocal lenses
- bifocal
- lenses
- spectacle
- 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
- G02C5/12—Nose pads; Nose-engaging surfaces of bridges or rims
- G02C5/122—Nose pads; Nose-engaging surfaces of bridges or rims with adjustable means
- G02C5/124—Nose pads; Nose-engaging surfaces of bridges or rims with adjustable means for vertically varying the position of the lenses
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 |
---|---|---|---|
HU846446X | 1937-11-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR846446A true FR846446A (en) | 1939-09-18 |
Family
ID=10980603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR846446D Expired FR846446A (en) | 1937-11-22 | 1938-11-22 | Spectacle frame for bifocal lenses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR846446A (en) |
-
1938
- 1938-11-22 FR FR846446D patent/FR846446A/en not_active Expired
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