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:
Aug. 13, 2002
Filed:
Jul. 27, 2000
Applicant:
Inventors:
Henry Dauba, Margny les Compiegne, FR;
Andre Beyrle, Trancy le Val, FR;
Michel Chaunac, Magny les Hameaux, FR;
Assignee:
Saint-Gobain Glass France, Courbevoise, FR;
Primary Examiner:
Int. Cl.
CPC ...
C03B 3/200 ;
U.S. Cl.
CPC ...
C03B 3/200 ;
Abstract
A method of identifying glazing that has undergone a heat treatment, consisting of fixing a substance to its surface and/or on an edge, the optical characteristic of the substance being modified at a temperature reached during the heat treatment.