Vent valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 22, 2013
Grant Date -
Mar 10, 2011
app pub date -
Sep 8, 2010
filing date -
Sep 8, 2009
priority date (Note) -
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Abstract
A valve includes a housing configured to interengage with a container, a first and second poppets axially movable between open and closed positions, a first seal between the first poppet and the housing, a second seal between the first poppet and the second poppet, and first and second resilient members disposed within the housing and urging the first and second poppets toward the closed position.
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