The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 24, 1978
Filed:
Nov. 08, 1976
Applicant:
Inventor:
Robert M Gelber, Healdsburg, CA (US);
Assignee:
Optical Coating Laboratory, Inc., Santa Rosa, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350165 ; 351 44 ;
Abstract
Ophthalmic anti-reflection coating for use on spectacles with lenses having an eye side and an outside. A first coating is disposed on the eye side of each lens and the second coating is disposed on the outside of each lens. The first and second coatings are formed of a metal layer and a dielectric layer having a low index of refraction. The metal layer in the first coating is adjacent the lens on the eye side and the dielectric layer in the second coating is adjacent the lens on the outside.