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:
Oct. 05, 1976
Filed:
Mar. 29, 1974
Applicant:
Inventors:
Joseph W Schneller, Williamsville, NY (US);
Richard E Smith, Tonawanda, NY (US);
Assignee:
National Gypsum Company, Buffalo, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B / ; E04B / ;
U.S. Cl.
CPC ...
156 71 ; 106 383 ; 106110 ; 106315 ; 156 44 ; 427301 ; 427403 ; 428 47 ; 428 52 ;
Abstract
In the application of a plurality of layers of a settable joint compound over a reinforcing tape, in drywall construction, a thin coat of Al.sub.2 SO.sub.4 is sprayed over the tape and the board edges prior to applying the first layer and over the top of each layer immediately after the layer is applied.