US4840477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyed color change contact lens
Assignee: Sunsoft Corp
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Filing: 1988-06-24
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Granted: 1989-06-20
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Expires: 2008-06-24
Abstract
Abstract A cosmetic contact lens that changes the apparent color of the eye. The lens will change a dark brown eye to light blue or green. This color change is accomplished by having a transparent dyed iris area on the convex lens surface. A light reflecting material is precipitated in the iris area of the concave lens surface. The light colored precipitated iris area on the concave surface may be opaque. The lens pupil area is clear colorless transparent or a dyed transparent color. The peripheral lens area outside the iris area is always clear transparent. When the lens is viewed on the eye the light reflecting concave iris area is viewed through the convex transparent iris color area providing the apparent eye color change.
Inventors
- 👤 Charles W. Neefe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:41
CPC Classifications
B; B29; B29D; B29D11/00; B29D11/00009; B29D11/00317; B29D11/00038; B29D11/00865; B29D11/00894; B29D11/00903; G; G02; G02C; G02C7/00; G02C7/02; G02C7/021; G02C7/04; G02C7/046
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
77 words
A molded contact lens that changes the apparent color of the eye having a dyed or molded transparent colored iris area on the convex lens surface and a light reflecting iris area precipitated on the concave lens surface and when the lens is placed on the cornea of an eye, persons viewing the eye will perceive an apparent eye color change because the concave light reflecting iris area is seen through the convex transparent colored iris area.
Claim 2
Dependent Claim
77 words
A molded contact lens that changes the apparent color of the eye having a dyed or molded transparent colored iris area on the convex lens surface and a light reflecting iris area precipitated on the concave lens surface and when the lens is placed on the cornea of an eye, persons viewing the eye will perceive an apparent eye color change because the concave light reflecting iris area is seen through the convex transparent colored iris area.
Claim 3
Dependent Claim
21 words
A contact lens as in claim 1 wherein barium sulfate is precipitated in the iris area of the concave lens surface.
Claim 4
Dependent Claim
20 words
A contact lens as in claim 1 wherein the light reflecting iris area on the concave lens surface is opaque.
Claim 5
Dependent Claim
18 words
A contact lens as in claim 1 wherein the transparent colored convex iris area has an iris pattern.
Claim 6
Dependent Claim
16 words
A contact lens as in claim 1 wherein the lens pupil area is transparent and colorless.
Claim 7
Dependent Claim
16 words
A lens as in claim 1 wherein a clear colorless peripheral area surronds the iris area.
Claim 8
Dependent Claim
43 words
A cosmetic contact lens for adding an apparent color change to the eye upon which it is placed having a dyed colored iris pattern in the convex surface of the lens and a light reflecting iris pattern precipitated on the concave lens surface.
Claim 9
Dependent Claim
43 words
A cosmetic contact lens for adding an apparent color change to the eye upon which it is placed having a dyed colored iris pattern in the convex surface of the lens and a light reflecting iris pattern precipitated on the concave lens surface.
Claim 10
Dependent Claim
21 words
A contact lens as in claim 7 wherein barium sulfate is precipitated in the iris area of the concave lens surface.
Claim 11
Dependent Claim
20 words
A contact lens as in claim 7 wherein the light reflecting iris area on the concave lens surface is opaque.
Claim 12
Dependent Claim
16 words
A contact lens as in claim 7 wherein the lens pupil area is transparent and colorless.
Claim 13
Dependent Claim
16 words
A contact lens as in claim 7 wherein the lens pupil area is transparent and colored.
Claim 14
Dependent Claim
64 words
A spin cast cosmetic contact lens that changes the apparent color of the eye on which it is placed said lens having a transparent dyed colored iris area on the convex lens surface and a light reflecting iris area precipitated on the concave lens surface and the concave light reflecting surface is viewed through the transparent colored iris area on the convex lens surface.
Claim 15
Dependent Claim
64 words
A spin cast cosmetic contact lens that changes the apparent color of the eye on which it is placed said lens having a transparent dyed colored iris area on the convex lens surface and a light reflecting iris area precipitated on the concave lens surface and the concave light reflecting surface is viewed through the transparent colored iris area on the convex lens surface.
Claim 16
Dependent Claim
21 words
A contact lens as in claim 12 wherein barium sulfate is precipitated in the iris area of the concave lens surface.
Claim 17
Dependent Claim
20 words
A contact lens as in claim 12 wherein the light reflecting iris area on the concave lens surface is opaque.
Claim 18
Dependent Claim
18 words
A contact lens as in claim 12 wherein the transparent colored convex iris area has an iris pattern.
Claim 19
Dependent Claim
16 words
A contact lens as in claim 12 wherein the lens pupil area is transparent and colorless.
Claim 20
Dependent Claim
16 words
A contact lens as in claim 12 wherein the lens pupil area is transparent and colored.
References Cited (Backward Citations)
US4460523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-19 | 1992-12-19 | 1993-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-19 | 1996-12-19 | 1997-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-19 | 2000-12-19 | 2001-06-20 | $7700.00 | Window Closed / Lapsed |