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:
Jul. 31, 1990
Filed:
Dec. 11, 1989
Applicant:
Inventors:
Stephen A Parsons, Mondeor, Johannesburg, Transvaal, ZA;
Henry B Dyer, Bryanston, Transvaal, ZA;
John Dodsworth, Trimdon Village, County Durham, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419 13 ; 75238 ;
Abstract
A cemented carbide which contains less than 20 weight percent of cubic boron nitride particle. The material is abrasive and wear resistant. The material is produced under cubic boron nitride synthesis conditions.