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. 19, 2022
Filed:
Sep. 29, 2016
Philip Morris Products S.a., Neuchatel, CH;
Clement Besso, Neuchatel, CH;
Philip Morris Products S.A., Neuchatel, CH;
Abstract
A smoking article () comprises a tobacco rod () and a filter () connected to the tobacco rod. The filter () comprises a flow restrictor (). The smoking article further comprises a ventilation zone () at a location along the filter downstream of the flow restrictor. The diameter of the tobacco rod () is from about 5 mm to about 8.5 mm, the tobacco packing density within the tobacco rod is from about 180 mg/cubic centimetre to about 280 mg/cubic centimetre, and the length of the tobacco rod is from about 15 mm to about 45 mm. Further, the tobacco rod () is circumscribed by a wrapper () having an air permeability of less than about 20 Coresta units, the wrapper being made of a transparent regenerated cellulose film, or cellophane.