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:
Apr. 24, 1984
Filed:
Dec. 15, 1981
Applicant:
Inventor:
Robert B Rau, Canyon City, CA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427163 ; 52827 ; 118504 ; 118505 ; 156 90 ; 156285 ; 156382 ; 427164 ; 427272 ; 427282 ; 427284 ; 427287 ; 4272086 ;
Abstract
A protective device for protecting the viewing area of a vision panel from encroachment by flowable cement compositions used to bond reinforcing members to the edge portions of the viewing panel. The protective device is preferably formed of a material non-adherent to both the vision panel surface and the cement composition, and may include vacuum biasing facilities and an edge seal to provide a fluid barrier to the passage of the flowable cement compositions.