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:
Feb. 25, 2020
Filed:
Dec. 30, 2014
Applicant:
Essilor International (Compagnie Generale D'optique), Charenton-le-Pont, FR;
Inventors:
Assignee:
ESSILOR INTERNATIONAL, Charenton-le-Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 13/005 (2006.01);
U.S. Cl.
CPC ...
B24B 13/0052 (2013.01);
Abstract
Described is a variable reference blocking apparatus for blocking an optical article (). The apparatus comprises an adjustable ring unit () having a plurality of concentric members () positioned about a central axis. Each concentric member () generally comprises a lip region () on its upper end that is capable of receiving at least a portion of a front face of the optical article (). The apparatus further comprises a moveable base () in which its upper portion is coupled with a removable insert (). The removable insert () is generally positioned to be centered about the front face of the optical article ().