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:
Nov. 20, 2001
Filed:
Jul. 09, 1999
Applicant:
Inventors:
Negus B. Adefris, Burnsville, MN (US);
Carl P. Erickson, Deer Park, WI (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24D 1/100 ;
U.S. Cl.
CPC ...
B24D 1/100 ;
Abstract
An abrasive article is provided comprising a rigid backing having a first major surface and a second major surface; a plurality of ceramic abrasive composites each comprising a plurality of abrasive particles distributed throughout a porous ceramic matrix; and at least one metal coating which affixes the ceramic abrasive composites to at least one major surface of the backing.