Patent US3673616A successfully refreshed from Google Patents.
US3673616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial anterior chamber lens
Assignee: Individual
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Filing: 1970-01-16
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Granted: 1972-07-04
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Expires: 1990-01-16
Abstract
Abstract An artificial lens, comprising a lens with supporting loops attached to on one of its sides and arranged behind the iris, and supporting rods fixed on said lens peripherally and directed radially with respect to the latter, said rods being located in front of the iris.
Inventors
- 👤 Svyatoslav Nikolaevich Fedorov
- 👤 Valery Dmitrievich Zakharov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:56
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/16; A61F2/1602; A61F2/1605; A61F2/1608; A61F2002/1681; A61F2002/1683
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
113 words
An artificial optical lens having means for positioning said lens in the anterior chamber of an eye between the cornea and the iris, said means comprising at least two spaced supporting loops adapted to extend posteriorly of said iris, said loops extending in generally opposite directions and fastened to one side of said lens at points spaced a significant distance within the peripheral edge of said lens, whereby the iris is adapted to move inwardly past said peripheral edge in response to changes in pupil size; and at least three generally equally spaced radially extending rods fastened to the periphery of said lens, said rods being adapted to extend anteriorly of said iris.
Claim 2
Dependent Claim
113 words
An artificial optical lens having means for positioning said lens in the anterior chamber of an eye between the cornea and the iris, said means comprising at least two spaced supporting loops adapted to extend posteriorly of said iris, said loops extending in generally opposite directions and fastened to one side of said lens at points spaced a significant distance within the peripheral edge of said lens, whereby the iris is adapted to move inwardly past said peripheral edge in response to changes in pupil size; and at least three generally equally spaced radially extending rods fastened to the periphery of said lens, said rods being adapted to extend anteriorly of said iris.
Claim 3
Dependent Claim
20 words
A lens as claimed in claim 1, wherein the free ends of said radially extending rods comprise enlarged spherical portions.
Claim 4
Dependent Claim
23 words
A lens as claimed in claim 1, wherein said rods are offset relative to said supporting loops about the periphery of said lens.
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |