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:
Mar. 12, 1985
Filed:
May. 29, 1984
Applicant:
Inventors:
Herbert Altenhofer, Iphofen, DE;
Engelbert Wintzheimer, Iphofen, DE;
Gerhard Neuhauser, Wurzburg, DE;
Assignee:
Gebr. Knauf Westdeutsche Gipswerke, Iphofen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428 70 ; 428 74 ; 428 77 ; 428126 ; 428127 ; 428128 ; 428129 ; 428130 ; 428193 ; 428194 ; 428236 ; 428251 ; 428285 ; 428703 ;
Abstract
The invention concerns a gypsum construction board in which a gypsum core is faced with a two-layer laminate comprised of a nonwoven fiber felt and a glass fiber web of crossed glass fibers wherein the glass fiber web of crossed glass fibers is embedded in the gypsum core and the laminate is in the form of a laminate sheet which extends across the width of the board.