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:
Dec. 21, 2010
Filed:
Oct. 11, 2007
Jonathan P. Thomas, Maple Lake, MN (US);
Keith A. Beveridge, Edina, MN (US);
Chad James Olson, Blaine, MN (US);
David Osland, Minneapolis, MN (US);
Jonathan P. Thomas, Maple Lake, MN (US);
Keith A. Beveridge, Edina, MN (US);
Chad James Olson, Blaine, MN (US);
David Osland, Minneapolis, MN (US);
TCG International, Inc., Burnaby, CA;
Abstract
A polishing wheel including a lower polishing surface and defining a different color from a secondary portion of the polishing wheel, so as to indicate wear of the polishing surface. The polishing surface includes a plurality of main radial flutes extending from a central passage to an outer edge. A reduced profile for the main radial flutes is provided adjacent to the outer edge. A plurality of secondary radial flutes is provided extending from the outer edge, but not in communication with either the central passage or the main radial flutes.