Vacuum trap
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United States of America Patent
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May 23, 2017
Issued Date -
N/A
app pub date -
Jan 9, 2014
filing date -
Jul 17, 2013
priority date (Note) -
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Abstract
A vacuum trap has a vacuum chamber and a conduit having at least one first opening open to atmosphere and a second opening connected to the vacuum chamber. A valve connects the conduit to the vacuum chamber and seals the vacuum chamber. A vacuum source maintains a vacuum inside the vacuum chamber immediately prior to the valve opening, the vacuum being sufficient to draw a vermin through an opening of the conduit. A detector detects the presence of vermin, the valve opening in response to a signal from the detector when vermin are detected.
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