FR497026A - Advanced spectacle lenses - Google Patents
Advanced spectacle lensesInfo
- Publication number
- FR497026A FR497026A FR497026A FR497026DA FR497026A FR 497026 A FR497026 A FR 497026A FR 497026 A FR497026 A FR 497026A FR 497026D A FR497026D A FR 497026DA FR 497026 A FR497026 A FR 497026A
- Authority
- FR
- France
- Prior art keywords
- advanced
- spectacle lenses
- spectacle
- lenses
- advanced 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
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
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 |
---|---|---|---|
GB497026X | 1918-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR497026A true FR497026A (en) | 1919-11-22 |
Family
ID=1532385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR497026A Expired FR497026A (en) | 1918-07-16 | 1919-02-26 | Advanced spectacle lenses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR497026A (en) |
-
1919
- 1919-02-26 FR FR497026A patent/FR497026A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR497026A (en) | Advanced spectacle lenses | |
FR499809A (en) | Eyewear and glasses improvements | |
CH77128A (en) | Watch holder | |
FR499671A (en) | Improvements to glasses | |
FR484408A (en) | Advanced protective glasses | |
CH81161A (en) | Turret | |
FR487728A (en) | Riflescopes | |
CH81642A (en) | pocket watch | |
CH76449A (en) | Watch bezel | |
FR531636A (en) | Sharpener | |
CA186382A (en) | Spectacle | |
FR492556A (en) | Hydro skis | |
FR518727A (en) | Ocular | |
FR26067E (en) | Advanced tap | |
CA184316A (en) | Eyeglass fitting device | |
FR539797A (en) | Submarine | |
CH79078A (en) | Lathe | |
CH76963A (en) | Watch holder | |
CA184748A (en) | Lens grinder | |
CH83148A (en) | Stereo kaleidoscope | |
CA190473A (en) | Lens | |
CH78302A (en) | Chuck | |
FI7037A (en) | Wallet holder | |
FR553136A (en) | Improvements to spectacle lenses | |
CH82643A (en) | Watch glass protectors |