FLOW CONTROL ELEMENT FOR USE WITH LEAK-PROOF CUP ASSEMBLIES
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United States of America Patent
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app pub date -
Jul 6, 2010
filing date -
Feb 6, 1998
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Abandoned
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Abstract
There is provided a flow control element for use with a drinking cup cap having a first mating member in fluid communication with a spout aperture. The flow control element has a first stack and a first valve. The first stack has an upper portion that can be positioned to be removably sealed in or with the cap. The first valve is defined in a sidewall of the first stack and is configured to provide selective fluid communication with the spout aperture.
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