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:
Jul. 02, 2019
Filed:
Apr. 07, 2014
Essilor International (Compagnie Generale D'optique), Charenton le Pont, FR;
Carole Nadolny, Charenton le Pont, FR;
Fabien Calandrini, Charenton le Pont, FR;
ESSILOR INTERNATIONAL, Charenton-le Pont, FR;
Abstract
A demonstrator () of qualities of a spectacle lens material, includes a hollow base () which is open through an observation window (), and a lens () which closes the observation window and includes at least one part () made of the spectacle lens material. The demonstrator includes at least two separate demonstration elements selected from the following list: an electrostatic element () that can move under the action of an electrostatic attraction; an ultraviolet mark () which allows the ultraviolet light to be viewed with the naked eye; and an abrasive element () suitable for scratching the demonstrator lens ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile