Multistep occluding zipper with sealing features
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United States of America Patent
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Jul 10, 2012
Grant Date -
Dec 2, 2010
app pub date -
Jun 2, 2009
filing date -
Jun 2, 2009
priority date (Note) -
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Abstract
A closure device for a thermoplastic bag which includes two opposing, longitudinally extending interlockable male and female fastening strips having respective male and female closure elements or profiles with outside wings that are deformed when the closure device is fully occluded.
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