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:
Apr. 05, 1988
Filed:
Aug. 08, 1986
Applicant:
Inventors:
Michael E Evans, Granville, OH (US);
James R Gleason, Newark, OH (US);
Assignee:
Owens-Corning Fiberglas Corporation, Toledo, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04F / ; C04B / ;
U.S. Cl.
CPC ...
52410 ; 52443 ; 52446 ; 106 97 ; 106 98 ;
Abstract
A coating for a wallboard comprises of silica sand, cement and a particulate, non-fibrous filler, where the ratio of the average sand diameter to the average filler diameter is within the range of from about 40:1 to about 20:1.