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:
Aug. 14, 2012
Filed:
Dec. 20, 2006
Raquel M. Olegario, Richmond, VA (US);
Mike Braunshteyn, Richmond, VA (US);
Gail Yoss, Chesterfield, VA (US);
Jim Lyons-hart, Sandston, VA (US);
Raquel M. Olegario, Richmond, VA (US);
Mike Braunshteyn, Richmond, VA (US);
Gail Yoss, Chesterfield, VA (US);
Jim Lyons-Hart, Sandston, VA (US);
Philip Morris USA Inc., Richmond, VA (US);
Abstract
A smoking article, which provides lower amounts of total particulate matter in a latter portion of its puff count, includes a cylinder of smoking material, a combustible hollow tube within the cylinder of smoking material, and a heat sink at a downstream end of the hollow tube. The smoking article also includes a filter system attached to the cylinder of smoking material having a sorbent material and at least one downstream segment of filtering material.