Smoking article with impaction filter segment
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United States of America Patent
Stats
-
Jan 15, 2013
Grant Date -
Jan 24, 2008
app pub date -
Jul 11, 2007
filing date -
Jul 12, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A smoking article having a cylinder of smoking material and a filter system attached to the cylinder of smoking material. The filter system includes an upstream plug of filtering material, a downstream plug of filtering material, and a cavity between the upstream plug of filtering material and the downstream plug of filtering material. A flow restrictor is positioned within the cavity and has at least one orifice and a series of perforations provide ventilation to the smoking article.
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Family
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