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. 05, 2013
Filed:
Dec. 11, 2006
Shuzhong Zhuang, Richmond, VA (US);
Georgios D. Karles, Richmond, VA (US);
Raquel M. Olegario, Richmond, VA (US);
Shuzhong Zhuang, Richmond, VA (US);
Georgios D. Karles, Richmond, VA (US);
Raquel M. Olegario, Richmond, VA (US);
Philip Morris USA Inc., Richmond, VA (US);
Abstract
A smoking article having a cylindrical tube of smokable material having an outer wrapper, a concentric rod of smokable material coaxially positioned within the cylindrical tube of a smokable material, and an inner wrapper separating the cylindrical tube and the concentric rod. A filter attaches to the tobacco rod with an annular film positioned between the filter and the tobacco rod. The annular film increases the resistance-to-draw of the cylindrical tube during smoking.