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US 2009/0042707 A1Published application
Reclosable storage bag closure with internal valving
OwnerEdward Alan Berichinventor
Life of this patent
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Abstract
A reclosable fastener having a one-way valve interposed between first and second sets of interlocking members permits fluid flow in one direction through the fastener and blocks fluid flow in an opposite direction through the fastener.
Claims6
A method for providing a reclosable bag, comprising the steps of:
- a. making a reclosable fastener having an integral one-way valve;
- and
- b. incorporating the reclosable fastener in a plastic storage bag.
Dependencies are inferred from the claim text.