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:
Jul. 17, 2007
Filed:
Sep. 16, 2005
Edward J. Woo, Woodbury, MN (US);
Thomas W. Rambosek, Woodbury, MN (US);
Rufus C. Sanders, Jr., Burnsville, MN (US);
Ehrich J. Braunschweig, Woodbury, MN (US);
Seyed A. Angadjivand, Woodbury, MN (US);
Suresh Kalatoor, Cottage Grove, MN (US);
Curtis J. Schmidt, South St. Paul, MN (US);
Charles R. Wald, Oakdale, MN (US);
Donna W. Bange, Eagan, MN (US);
Edward J. Woo, Woodbury, MN (US);
Thomas W. Rambosek, Woodbury, MN (US);
Rufus C. Sanders, Jr., Burnsville, MN (US);
Ehrich J. Braunschweig, Woodbury, MN (US);
Seyed A. Angadjivand, Woodbury, MN (US);
Suresh Kalatoor, Cottage Grove, MN (US);
Curtis J. Schmidt, South St. Paul, MN (US);
Charles R. Wald, Oakdale, MN (US);
Donna W. Bange, Eagan, MN (US);
3M Innovative Properties Co., St. Paul, MN (US);
Abstract
An abrasive article with an integral dust collection system. The abrasive article comprises a porous abrasive layer with openings, a first filter media with channels, a second filter media, and an attachment interface layer. The openings of the porous abrasive layer cooperate with the channels to allow the flow of particles from the abrasive surface to the second filter media.