TOBACCO SMOKE FILTER
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United States of America Patent
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Issued Date -
May 9, 2013
app pub date -
Jun 8, 2011
filing date -
Jun 10, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A stand alone tobacco smoke filter or filter element for use with a smoking article comprising a wrapper engaged around a longitudinally extending core of tobacco smoke filtering material, wherein at least one end of the wrapper extends beyond the end of the core around which it is engaged, to define a cavity at the end of the filter which faces the smoking article in use.
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