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:
Mar. 17, 1987
Filed:
Dec. 15, 1981
Applicant:
Inventor:
Erie M Harvey, Greensboro, NC (US);
Assignee:
Resco Products, Inc., Norristown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04C / ; E04B / ;
U.S. Cl.
CPC ...
52596 ; 52378 ; 52509 ; 52513 ; 52515 ; 52747 ; 264 30 ; 501 94 ; 501127 ; 501128 ;
Abstract
A high temperature resistant refractory mortarless joint wall and method made from pre-formed, unburned plastic refractory blocks having siliceous clay, and from ten percent to seventy-five percent pyrophyllite, by weight, and workability from twenty percent to forty percent when erected before drying and firing.