Ambient gas flow alarm
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United States of America Patent
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Nov 8, 2016
Grant Date -
Jun 18, 2015
app pub date -
Jun 11, 2013
filing date -
Jun 11, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A gas flow alarm includes a main barrel with a proximal end and a distal end. The main barrel defines a gas flow direction from the proximal end to the distal end. A cap is disposed slidingly on the main barrel between a proximal position and a distal position. The proximal position of the cap defines a compressed condition of the gas flow alarm and the distal position of the cap defines an expanded condition of the gas flow alarm. A noise generating device is disposed within the main barrel. The noise generating device is adapted to generate noise from the gas flow when the gas flow alarm is in the expanded condition.
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