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:
May. 14, 1991
Filed:
May. 05, 1989
Applicant:
Inventors:
Sitaramaiah Ravipati, Latham, NY (US);
Eugene Zador, Ballston Lake, NY (US);
Wesley R Kaczmarek, Ballston Lake, NY (US);
Ernest A Coleman, Stamford, CT (US);
David Rostoker, Sturbridge, MA (US);
Assignee:
Norton Company, Worcester, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
51295 ; 51293 ; 51298 ; 51308 ; 51309 ;
Abstract
Coated abrasive material for fine finishing applications including second fining ophthalmic application, having patterned surface coating of abrasive grains dispersed in radiation-cured adhesive binder. The patterned surface coating is defined by a plurality of formations of such abrasive/binder each having an inner bottom edge defining an area devoid of coated abrasive, a top edge defining a somewhat larger area devoid of coated abrasive and an inner wall connecting the top and bottom edges.