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. 27, 2012
Filed:
Dec. 17, 2008
Negus B. Adefris, Woodbury, MN (US);
Dwight D. Erickson, Oakdale, MN (US);
Scott R. Culler, Burnsville, MN (US);
John T. Boden, White Bear Lake, MN (US);
John D. Haas, Roseville, MN (US);
Negus B. Adefris, Woodbury, MN (US);
Dwight D. Erickson, Oakdale, MN (US);
Scott R. Culler, Burnsville, MN (US);
John T. Boden, White Bear Lake, MN (US);
John D. Haas, Roseville, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Shaped abrasive particles each having a sloping sidewall, each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by a thickness, t. The shaped abrasive particles further comprising either: a draft angle α between the second face and the sloping sidewall, and the draft angle α is between about 95 degrees to about 130 degrees, or the sloping sidewall having a radius, R, between the first face and the second face and the radius, R, is between about 0.5 to about 2 times the thickness, t.