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:
Dec. 27, 1977
Filed:
Mar. 31, 1977
Applicant:
Inventors:
John L Lawlis, Roby, TX (US);
Bernard L Rodgers, Rotan, TX (US);
Daniel A Winkowski, Tonawanda, NY (US);
Assignee:
National Gypsum Company, Buffalo, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B24B / ;
U.S. Cl.
CPC ...
156 40 ; 51328 ; 156154 ; 156216 ; 156250 ; 156267 ; 156268 ;
Abstract
Plastic sheet material, laminated to the front face and side edges of wallboard, having excess sheet width at each side edge, is uniformly and rapidly trimmed to a neat skived edge which becomes firmly adhered to the wallboard edge, by abrading through the sheet material with a rotary abrader such as a nylon brush.