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:
May. 25, 1993
Filed:
Mar. 25, 1992
Applicant:
Inventors:
John A Winter, Pittsburgh, PA (US);
Bruce A Bartrug, Lower Burrell, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428 46 ; 428192 ; 428209 ; 428426 ; 428432 ; 428433 ; 52171 ; 52208 ; 219203 ; 219522 ; 156107 ;
Abstract
The electrical connections for an electrically heatable windshield are sealed prior to the laminating operation to prevent gas from entering the interior of the windshield through the bus bar leads when the windshield is subjected to the elevated temperatures and pressures of the laminating operation.