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:
Apr. 25, 2017
Filed:
Nov. 14, 2012
Applicant:
Philip Morris Products S.a., Neuchatel, CH;
Inventors:
Assignee:
Philip Morris Products S.A., Neuchatel, CH;
Primary Examiner:
Int. Cl.
CPC ...
A24F 47/00 (2006.01); A24B 15/16 (2006.01);
U.S. Cl.
CPC ...
A24F 47/006 (2013.01); A24B 15/165 (2013.01); A24F 47/004 (2013.01);
Abstract
A smoking article is provided, including a combustible heat source with opposed front and rear faces and at least one airflow channel extending from the front face to the rear face of the combustible heat source, and an aerosol-forming substrate including at least one aerosol former downstream of the combustible heat source, wherein a non-metallic, non-combustible, gas-resistant, first barrier coating is provided on substantially all of the rear face of the combustible heat source.