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. 15, 1998
Filed:
Nov. 12, 1997
Kris A Beardsley, Roseville, MN (US);
Jonathan M Lise, Woodbury, MN (US);
Chris A Minick, Stillwater, MN (US);
Richard B Muir, Kanata, CA;
Brent D Niccum, North St. Paul, MI (US);
Rufus C Sanders, Jr, Burnsville, MN (US);
Jeffrey D Sheely, West Lakeland, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
Abrasive foam articles and a method of manufacture of such articles are described. The articles of the invention comprise a flexible and resilient foam substrate having first and second major substrate surfaces, at least one of the surfaces having a plurality of open cells substantially across the substrate surface, the open cells having coatable surfaces defined by interconnected voids; and a plurality of abrasive particles adhered to said coatable surfaces of said open cells in a substantially uniform manner.