GB227744A - Improvements in spectacles and eyeglasses - Google Patents
Improvements in spectacles and eyeglassesInfo
- Publication number
- GB227744A GB227744A GB1834024A GB1834024A GB227744A GB 227744 A GB227744 A GB 227744A GB 1834024 A GB1834024 A GB 1834024A GB 1834024 A GB1834024 A GB 1834024A GB 227744 A GB227744 A GB 227744A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spectacles
- eyeglasses
- lens
- projection
- preston
- 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
- G02C1/00—Assemblies of lenses with bridges or browbars
- G02C1/06—Bridge or browbar secured to or integral with closed rigid rims for the lenses
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Abstract
227,744. Preston, C. T. July 31, 1924. Spectacles and eyeglasses.-The frames of spectacles and eyeglasses are fitted with a screw a or projection e, for the purpose of engaging a notch c in the periphery of the lens, preventing axial rotation of the lens. The projection e may consist of a continuation of the bridge d.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1834024A GB227744A (en) | 1924-07-31 | 1924-07-31 | Improvements in spectacles and eyeglasses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1834024A GB227744A (en) | 1924-07-31 | 1924-07-31 | Improvements in spectacles and eyeglasses |
Publications (1)
Publication Number | Publication Date |
---|---|
GB227744A true GB227744A (en) | 1925-01-22 |
Family
ID=10110775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1834024A Expired GB227744A (en) | 1924-07-31 | 1924-07-31 | Improvements in spectacles and eyeglasses |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB227744A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2571704A (en) * | 1948-09-17 | 1951-10-16 | American Optical Corp | Ophthalmic mounting |
-
1924
- 1924-07-31 GB GB1834024A patent/GB227744A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2571704A (en) * | 1948-09-17 | 1951-10-16 | American Optical Corp | Ophthalmic mounting |
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