Lens for spectacles and spectacles comprising the lens

Details Lens for spectacles and spectacles comprising the lens Lens for spectacles and spectacles comprising the lens

2004-11-29

2009-06-30

Collins, Darryl J (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Rimless mounting

C351S159000, C351S041000

Reexamination Certificate

active

07553016

ABSTRACT:
A lens for spectacles is described which is delimited by a first and a second lens surface which are spaced apart from and located opposite each other, the first surface being arranged to face towards the inner side of the spectacles, near the face of the user when the spectacles are worn, the second opposite surface facing towards the opposite outer side of the spectacles, first cross-sectional curves being defined on the lens by the intersection of the first and second lens surfaces with a plane which is transverse to the lens and intersects a straight line joining the eyes of the user, in which the first cross-sectional curves have negative curvature with the concavity directed towards the outer side of the spectacles.

REFERENCES:
patent: 5208614 (1993-05-01), Jannard et al.
patent: 5604547 (1997-02-01), Davis et al.
patent: 5825455 (1998-10-01), Fecteau et al.
patent: 6224206 (2001-05-01), Schwartz
patent: 6227664 (2001-05-01), Pavlak
patent: 0 093 699 (1983-11-01), None
patent: WO 92/06399 (1992-04-01), None
patent: WO 03/050596 (2003-06-01), None
International Search Report for PCT International Application No. PCT/IT2004/000663, mailed Aug. 10, 2005.

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