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. 14, 2000
Filed:
Dec. 16, 1998
Applicant:
Inventors:
Dominique Baude, St Ouen, FR;
Nicolas Chateau, Paris, FR;
Assignee:
Essilor International Compagnie Generale d'Optique, Charenton le Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C / ;
U.S. Cl.
CPC ...
351169 ; 351177 ;
Abstract
A multifocal ophthalmic lens is disclosed. The power profile (P) of the lens as a function of the height (h) above the axis (A) of the lens and the addition (Add) corresponding to the degree of presbyopia of the wearer is defined by an equation of the form: