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. 04, 2014
Filed:
Feb. 08, 2011
Marie-anne Berthezene, Charenton-le-Pont, FR;
Bernard Bourdoncle, Charenton-le-Pont, FR;
Laurent Calixte, Charenton-le-Pont, FR;
Cyril Guilloux, Charenton-le-Pont, FR;
Soazic Mousset, Charenton-le-Pont, FR;
Damien Paille, Charenton-le-Pont, FR;
Marie-Anne Berthezene, Charenton-le-Pont, FR;
Bernard Bourdoncle, Charenton-le-Pont, FR;
Laurent Calixte, Charenton-le-Pont, FR;
Cyril Guilloux, Charenton-le-Pont, FR;
Soazic Mousset, Charenton-le-Pont, FR;
Damien Paille, Charenton-le-Pont, FR;
Essilor International (Compagnie Generale d'Optique), Charenton-le Pont, FR;
Abstract
The invention relates to a finished or semi-finished lens which comprises: a disc containing all the points of the lens that have the same abscissa and the same ordinate as points located within a circle in the reference plane having a diameter of 30 millimeters and centered on the prism reference point; a progression length of less than 14.5 millimeters; a first specific point having a cylinder value equal to the maximum cylinder value of all the points of the lens located in the nasal area and in the disc; and a second specific point having a cylinder value equal to the maximum cylinder value of all the points of the lens located in the temporal area and in the disc; a first ratio between: the maximum gradient of the cylinder for the points of the lens that have the same abscissa and the same ordinate as the points located on segments connecting the mounting cross to the first and second specific points, and surface addition of less than 0.095 per millimeter; and a second ratio between: the maximum cylinder value of the first and second specific points, and surface addition of no more than 0.85. The invention enhances the comfort of the wearer.