Smoke and odor elimination filters, devices and methods
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United States of America Patent
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Oct 27, 2015
Issued Date -
N/A
app pub date -
Apr 22, 2011
filing date -
Aug 28, 2009
priority date (Note) -
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Abstract
A pipe comprises a combustion chamber with vents, the combustion chamber able to receive a cigarette; an inhalation path for drawing smoke from the combustion chamber through the bowl vents during inhalation; an exhalation filter; and an exhalation path for channeling exhaled smoke through the exhalation filter during exhalation.
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