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:
Aug. 05, 1986
Filed:
May. 03, 1985
Applicant:
Inventor:
Kenneth M Knapp, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
1510 / ;
Abstract
Parafin scrapping, disc equipped, unitized pigs are disclosed. The leading disc is undergage by 0.01 to 0.05' and has a durometer of 85 to 95. N scrapper discs are included and have hardness between 65 and 75, and are overgage by a specific size. The pig is equipped with a rear disc similar to the leading disc.