Smoking article with single piece restrictor and chamber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 23, 2013
Grant Date -
Feb 14, 2008
app pub date -
Aug 7, 2007
filing date -
Aug 8, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A smoking article having a filter segment that establishes both a desired resistance to draw and a mixing of mainstream smoke with ventilation air. The filter segment includes a fluted portion, a frusto-conical portion and axially extending orifices establishing fluid communication between the frusto-conical portion and voids between one or more walls of the fluted portion.
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Family
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Cited Art Landscape
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