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. 31, 1978
Filed:
Sep. 09, 1976
Applicant:
Inventor:
Arthur G Clem, Des Plaines, IL (US);
Assignee:
American Colloid Company, Skokie, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
52448 ; 52451 ; 52618 ;
Abstract
A moisture impervious panel includes a pair of spaced facing sheets interconnected by a central rigid support sheet, such as corrugated fiberglass, to form a plurality of pockets between the support sheet and the facing sheets. The pockets are filled with a composition of water-swellable bentonite and a compressible filler, such as vermiculite.