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. 25, 1983
Filed:
Mar. 15, 1982
Applicant:
Inventor:
Patrick J Mudd, Tonawanda, NY (US);
Assignee:
National Gypsum Company, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106119 ;
Abstract
Drywall joint compounds in which asbestos fiber has been omitted and the physical characteristics which have heretofore depended on the presence of asbestos fiber or on attapulgite clay have been obtained by the inclusion of finely powdered sepiolite clay.