Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Reexamination Certificate
2011-04-12
2011-04-12
Sugarman, Scott J (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
C351S044000, C351S177000
Reexamination Certificate
active
07922325
ABSTRACT:
An optical article includes: an optical substrate, and a functional layer that is light-transmissive and is laminated to the surface of the optical substrate, the period Pk (nm−1) of reflectance of the functional layer in the k-space being not more than 3.66×10−5.
REFERENCES:
patent: 5054902 (1991-10-01), King
patent: 5242740 (1993-09-01), Rostaing et al.
patent: 7332213 (2008-02-01), Mimura et al.
patent: 1494049 (2005-01-01), None
patent: 07-056002 (1995-03-01), None
patent: 09-113702 (1997-05-01), None
patent: 2007253512 (2007-10-01), None
European search report for corresponding European application 09177316.8, Feb. 2010.
Hoshino Yuta
Toda Mitsuhiro
DLA Piper (LLP) US
Seiko Epson Corporation
Sugarman Scott J
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