Article of footwear having improved midsole
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United States of America Patent
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-
Feb 27, 1996
Issued Date -
N/A
app pub date -
May 10, 1993
filing date -
Feb 9, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A midsole, partial midsole, or the like, for inclusion in an article of footwear having a flexible, air-permeable top sole, characterized by at least one plug in the heel region having a thickness (height) sufficient to permit significant compression deformation along its thickness dimension accompanied by simultaneous significant bulging deformation in its circumscribing surface perpendicular to the thickness dimension; the deformations occurring solely due to normal walking activity by any wearer of the footwear; and the deformations thereby providing simultaneously for shock-absorption and ventilation during said normal walking activity.
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