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:
Nov. 26, 1985
Filed:
Apr. 04, 1983
Applicant:
Inventors:
Wilhelm F Kunzler, Fairport, NY (US);
William F Coombs, Punta Gorda, FL (US);
Assignee:
Bausch & Lomb Incorporated, Rochester, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264-21 ; 264-27 ;
Abstract
A toric or bifocal contact lens comprising a central optic zone and a peripheral zone, said peripheral zone having affixed to its anterior surface a bead, said bead on at least a part of the upper half of said peripheral zone being tapered down from a sweeping arc which intersects with the bead on each side of the lens to the uppermost point on the periphery of the lens. The lens can be prepared by casting in a mold to obtain the desired anterior surface of the lens followed by lathe cutting the posterior surface.