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:
Feb. 02, 1999
Filed:
May. 24, 1995
Alfred L Collins, Powhatan, VA (US);
Mary Ellen Counts, Richmond, VA (US);
Amitabh Das, Midlothian, VA (US);
Seetharama C Deevi, Midlothian, VA (US);
Grier S Fleischhauer, Midlothian, VA (US);
Charles T Higgins, Richmond, VA (US);
Willie G Houck, Jr, Richmond, VA (US);
Billy J Keen, Jr, Chesterfield, VA (US);
Robert E Lee, III, Richmond, VA (US);
A Clifton Lilly, Jr, Chesterfield, VA (US);
D Bruce Losee, Jr, Richmond, VA (US);
Hugh J McCafferty, Midlothian, VA (US);
Constance H Nichols, Midlothian, VA (US);
Wynn R Raymond, Chesterfield, VA (US);
Robert L Ripley, Richmond, VA (US);
Renzer R Ritt, Sr, Richmond, VA (US);
G Robert Scott, Midlothian, VA (US);
F Murphy Sprinkel, Glen Allen, VA (US);
Michael L Watkins, Chester, VA (US);
Susan E Wrenn, Chesterfield, VA (US);
Francis V Utsch, Midlothian, VA (US);
Philip Morris Incorporated, New York, NY (US);
Abstract
A smoking article is provided in which a replaceable tobacco flavor unit containing tobacco flavor material is electrically heated by a set of permanent reusable heaters to evolve flavors or other components in vapor or aerosol form for delivery to a smoker. Each heater heats only a portion of the available tobacco flavor material so that a plurality of individual puffs of tobacco flavor substance can be delivered sequentially to the smoker. The replaceable tobacco flavor unit can also include a filter to reduce the effect of residual aerosol which settles or condenses on the permanent portions of the article and which can result in undesirable flavor generation when reheated. A method and apparatus for manufacturing the replaceable tobacco flavor unit is also provided.