Filter holder used for smoking, a smoking pipe, and a smoking pipe unit
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United States of America Patent
Stats
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Jul 15, 2014
Grant Date -
Mar 6, 2008
app pub date -
Sep 14, 2007
filing date -
Mar 17, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A filter holder used for smoking has a tubular body (12), which includes a socket portion (14) for receiving a cigarette (C) at one end thereof, a dilution chamber (18) located adjacently to the socket portion (14) in the inside, a chamber (22) for containing a charcoal filter (26), a chamber (24) for containing a flavor generation element (32), an annular groove (42) formed in the outer circumferential surface of the body (12), and a plurality of vent holes (44) formed in the bottom of the annular groove (42) and introduces outside air into the dilution chamber (18).
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