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US4579557A Expired / Lapsed US ⏱️ 0.0 years remaining

Intraocular lens implant

Assignee: MOSKOVSKY NAUCHNO-ISSLEDOVATELSKY INSTITUT MIKROKHIRURGII GLAZA
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Filing: 1984-04-30
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Granted: 1986-04-01
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Expires: 2004-04-30
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Abstract

Abstract An intraocular lens implant comprises a lens and three support members. The support members disposed on one and the same diametrical side are made in the form of bent feet terminating in loops facing toward the periphery of the lens. The sector-shaped member is cambered toward the periphery of the lens and all support members lie in the plane of the lens.

Inventors

  • 👤 Svyatoslav N. Fedorov
  • 👤 Valery D. Zakharov
  • 👤 Nikolai I. Oleshko

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 11:33
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 100 words
In an intraocular lens implant comprising a lens and three support members of which one is made in the form of a sector and the two others are disposed on one and the same side of the lens diametrically opposite to the sector, an improvement consisting in that the support members disposed on one and the same diametrical side are made in the form of feet bent in opposite directions and terminating in loops facing toward the periphery of the lens, the sector-shaped member being cambered toward the lens and all support members lying in the plane of the lens.
Claim 2
Dependent Claim 100 words
In an intraocular lens implant comprising a lens and three support members of which one is made in the form of a sector and the two others are disposed on one and the same side of the lens diametrically opposite to the sector, an improvement consisting in that the support members disposed on one and the same diametrical side are made in the form of feet bent in opposite directions and terminating in loops facing toward the periphery of the lens, the sector-shaped member being cambered toward the lens and all support members lying in the plane of the lens.

References Cited (Backward Citations)

SU545352A1 Cited
SU858819A2 Cited
US4494254A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-03-31 1989-09-30 1990-04-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-03-31 1993-09-30 1994-04-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-03-31 1997-09-30 1998-04-01 $7700.00 Window Closed / Lapsed

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