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:
Nov. 18, 2008
Filed:
Dec. 21, 2006
Thomas W. Rambosek, Woodbury, MN (US);
Edward J. Woo, Woodbury, MN (US);
Curtis J. Schmidt, South St. Paul, MN (US);
Thomas W. Rambosek, Woodbury, MN (US);
Edward J. Woo, Woodbury, MN (US);
Curtis J. Schmidt, South St. Paul, MN (US);
3M Innovative Properties Company, 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, a third filter media with channels, a fourth filter media, and an optional attachment layer. The openings of the porous abrasive layer cooperate with the channels to allow the flow of particles from the abrasive surface to the filter media.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile