US4088359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact lens inserter
Assignee: Individual
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Filing: 1977-01-21
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Granted: 1978-05-09
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Expires: 1997-01-21
Abstract
Abstract An instrument for use in mounting contact lenses in the eyes of a user of contact lenses, especially soft lenses.
Inventors
- 👤 Richard S. Buchanan, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:36
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/0061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
An instrument for mounting soft contact lenses on the eye of a contact lens user comprising a handle portion having two opposed flat surfaces and a bulbous central portion and tapered neck portions at the opposed extremities of said handle portion, loop elements disposed at the extremities of said handle portion connected to said tapered neck portions, further including beveled surfaces on an inner portion of each loop element to provide a nesting surface for the soft contact lenses on said loop elements, and said loop elements are each offset relative to said flat handle portion surfaces at different angles but both less than 90° to provide a different angle of attack for lens insertion, and in which the bulbous central portion has a width somewhat greater than a diameter of said loop elements and said tapered neck portions have a width somewhat less than the diameter of said loop elements so as to provide a grasping area which can accommodate a portion of the user's hand.
Claim 2
Dependent Claim
167 words
An instrument for mounting soft contact lenses on the eye of a contact lens user comprising a handle portion having two opposed flat surfaces and a bulbous central portion and tapered neck portions at the opposed extremities of said handle portion, loop elements disposed at the extremities of said handle portion connected to said tapered neck portions, further including beveled surfaces on an inner portion of each loop element to provide a nesting surface for the soft contact lenses on said loop elements, and said loop elements are each offset relative to said flat handle portion surfaces at different angles but both less than 90° to provide a different angle of attack for lens insertion, and in which the bulbous central portion has a width somewhat greater than a diameter of said loop elements and said tapered neck portions have a width somewhat less than the diameter of said loop elements so as to provide a grasping area which can accommodate a portion of the user's hand.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-08 | 1981-11-07 | 1982-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-08 | 1985-11-07 | 1986-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-08 | 1989-11-07 | 1990-05-09 | $7700.00 | Window Closed / Lapsed |