Vacuum-suspended shoe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Aug 26, 2004
app pub date -
Nov 3, 2003
filing date -
Nov 1, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Footwear having a vacuum pump for removing fluid from its interior. The footwear can have a rigid outer shell, a flexible material bonded to the rigid outer shell, a thin sheath within the flexible material, a heelstrike-actuated vacuum pump in the heel, and a vacuum hose connecting the vacuum pump to the interior. The pump can be configured to reduce or increase pressure within the footwear to provide different results.
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