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:
May. 11, 2004
Filed:
Mar. 20, 2002
Applicant:
Inventors:
Assignee:
Menicon Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C 7/04 ;
U.S. Cl.
CPC ...
G02C 7/04 ;
Abstract
Disclosed is a contact lens having a back surface to be placed on a cornea. The back surface includes a generally circular central zone whose radius of curvature gradually decrease from its center toward its periphery, and an peripheral zone disposed around the central zone.