Container system including an air evacuation valve
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United States of America Patent
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-
Aug 31, 1999
Grant Date -
N/A
app pub date -
Aug 26, 1997
filing date -
Aug 26, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A container system includes a one-piece, one-way valve. The container system can be evacuated by pressing the lid, thereby forcing air out of the one-way valve. The one-way valve does not allow air to enter the container system. The one-way valve includes an interface or release which allows air to enter the container system when the interface is pressed. The one-way valve is preferably an umbrella-shaped valve made of a silicone or plastic.
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