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. 17, 2007
Filed:
Jul. 12, 2000
Etienne Lecoultre, Cortaillod, CH;
Thomas Badertscher, Cernier, CH;
Etienne Lecoultre, Cortaillod, CH;
Thomas Badertscher, Cernier, CH;
Philip Morris USA Inc., Richmond, VA (US);
Abstract
The invention relates to a recess filter with a cavity associated with the mouth and provided with a cavity wall, in addition to one or more filter elements associated with the tobacco. The cavity wall surrounds either the cavity or the cavity and, at the most, one part of the filter element(s), whereby ambient air can enter the filter element(s) from the side in order to provide sufficient ventilation. The invention also relates to a stack of several recess filters in addition to a smokeable article, especially a cigarette or cigarillo comprising one such recess filter.