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:
Feb. 19, 1980
Filed:
Nov. 11, 1977
Applicant:
Inventor:
Peter Gauchel, Alzenbach, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428520 ; 523091 ; 428215 ; 428336 ; 428519 ; 428522 ;
Abstract
A process for the production of shaped structural members made of extrudable thermoplastic synthetic resin suitable for use in the construction industry especially for window frames including sashes and blinds and sliding doors and the like, having a surface coating with improved lightfastness and weatherproofness, wherein a thin cover layer of a polymeric material such as a polymethyl methacrylate is provided at least on the side of the shaped member to be exposed to outside ambient conditions.