US3922728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial crystalline lens
Assignee: Individual
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Filing: 1974-08-15
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Granted: 1975-12-02
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Expires: 1994-08-15
Abstract
Abstract An artificial crystalline lens intended to be attached to the ciliary border area, outside the pupil area, said artificial crystalline lens comprising an optical lens having a supporting leg with a stepped bend intended to be introduced into a hole in the iris for attachment of said optical lens to the ciliary border area. At the opposite edge of said optical lens there is a seam receiving means for attaching said optical lens to the iris.
Inventors
- 👤 Mikhail Mikhailovich Krasnov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:33
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/16; A61F2002/1681; A61F2002/1683
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
An artificial crystalline lens intended to be attached to the ciliary border area in the anterior chamber, outside the pupil area, said artificial crystalline lens comprising: an optical lens; a supporting leg having one end attached adjacent a peripheral edge of said lens and extending radially outwardly to a terminal free opposite end, said supporting leg having a stepped bend portion intermediate said ends which is spaced outwardly from said peripheral edge, which leg serves for the attachment of said optical lens and is intended to be introduced into a hole made in the iris outside the pupil area; and a seam receiving means for the attachment of said optical lens to the iris, said means being located at the edge of said optical lens which is opposite to the location of said supporting leg.
Claim 2
Dependent Claim
135 words
An artificial crystalline lens intended to be attached to the ciliary border area in the anterior chamber, outside the pupil area, said artificial crystalline lens comprising: an optical lens; a supporting leg having one end attached adjacent a peripheral edge of said lens and extending radially outwardly to a terminal free opposite end, said supporting leg having a stepped bend portion intermediate said ends which is spaced outwardly from said peripheral edge, which leg serves for the attachment of said optical lens and is intended to be introduced into a hole made in the iris outside the pupil area; and a seam receiving means for the attachment of said optical lens to the iris, said means being located at the edge of said optical lens which is opposite to the location of said supporting leg.
References Cited (Backward Citations)
US3673616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-01 | 1979-06-02 | 1979-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-01 | 1983-06-02 | 1983-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-01 | 1987-06-02 | 1987-12-02 | $7700.00 | Window Closed / Lapsed |