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. 08, 1977
Filed:
Jul. 28, 1975
Applicant:
Inventors:
Minyoung Lee, Schenectady, NY (US);
Lawrence E Szala, Scotia, NY (US);
Louis E Hibbs, Jr, Schenectady, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B24D / ; C23C / ;
U.S. Cl.
CPC ...
51295 ; 51307 ; 5130 / ; 427212 ; 427215 ; 427217 ;
Abstract
Abrasive particles are prepared by milling cubic boron nitride particles, metal compound and milling balls to smear a coating of the compound on the cubic boron nitride particles and firing the compound-coated boron nitride particles producing a rough granular adherent covering of metal and/or metal boride and/or nitride surface coating chemically bonded to the cubic boron nitride surface by metal boride and/or nitride.