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. 13, 1981
Filed:
Mar. 19, 1979
Applicant:
Inventor:
Robert J Harris, Marrero, LA (US);
Assignee:
H. C. Price Co., Bartlesville, OK (US);
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 1434 ; 1062 / ; 106282 ;
Abstract
A pipe coating composition is the subject of the present invention. A bituminous base coating comprising binder, aggregate and fiber utilizes cement stack dust as a filler in place of conventional lime dust or cement. The cement stack dust filler is utilized in quantities up to 25% less than the quantity of lime dust previously required for lime dust.