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:
Jan. 13, 1976
Filed:
May. 23, 1974
Applicant:
Inventors:
David W Marshall, North Reading, MA (US);
William R O'Day, Jr, Concord, MA (US);
Assignee:
Kennecott Copper Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
29195 ; 52515 ; 427423 ; 427404 ;
Abstract
A building product, such as a roofing shingle or the like, is provided with flame resistance and protected against actinic degradation, and fouling by algae and micro-organisms by flame-spraying a metal coating on at least one side of the product and thereafter applying a second flame-sprayed coating, of copper, on the first layer to cover completely at least the one side of the product.