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. 09, 1988
Filed:
Aug. 08, 1986
Applicant:
Inventors:
Mark Woiceshyn, St. Catherines, CA;
Terry J O'Connor, Fonthill, CA;
Ian G Cooper, St. Catharines, CA;
Assignee:
Bay Mills Limited, St. Catharines, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; D04H / ;
U.S. Cl.
CPC ...
428219 ; 156176 ; 156278 ; 156313 ; 156324 ; 428141 ; 428285 ; 428286 ; 428287 ; 428340 ; 428489 ;
Abstract
A reinforcing composite for bituminous roofing membranes is made by combining as a first layer an open network of non-woven adhesive-free continuous filament yarns and as second and third layers, placed one on each side of the first layer, lightweight preformed mats or networks, and thereafter impregnating them with an adhesive resin which is then dried or cured.