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. 05, 1988
Filed:
Jan. 24, 1986
Applicant:
Inventor:
Alex W Harkness, Gibsonia, PA (US);
Assignee:
Hyload Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C09J / ; D06N / ;
U.S. Cl.
CPC ...
428 40 ; 428352 ; 428489 ; 428493 ; 428494 ; 428495 ;
Abstract
A waterproofing laminate suitable for use in roofs, floors or other surfaces where waterproofing is desired contains a reinforcing sheet, first and second bitumen layers secured to opposite surfaces of the reinforcing sheet, first and second compound bitumen layers secured to the bitumen layers, an elastomeric sheet secured to the first compound bitumen layer and a release sheet secured to the second compound bitumen layer. Certain preferred materials for use in the laminate are recited.