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:
Feb. 11, 2025
Filed:
Dec. 17, 2021
3m Innovative Properties Company, St. Paul, MN (US);
Paul D. Graham, Woodbury, MN (US);
Douglas A. Davis, Cottage Grove, MN (US);
Thomas E. Pahl, Cottage Grove, MN (US);
John G. Petersen, Center City, MN (US);
Graham M. Clarke, Woodbury, MN (US);
James J. Kobe, Newport, MN (US);
Thomas B. Galush, Roseville, MN (US);
Charles R. Wald, Oakdale, MN (US);
Brian W. Lueck, Houlton, WI (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Various embodiments disclosed relate to an abrasive sheet. The abrasive sheet includes a first layer including an abrasive major surface and an opposite second layer defining a second major surface. The second major surface includes a plurality of protrusions extending outwardly from the second major surface. The protrusions include a first polymer component having at least one of a Shore A hardness ranging from about 5 to about 100 and a Shore D hardness ranging from about 1 to about 70. The first layer and the second layer are directly joined to each other.