Athletic shoe with Y support
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United States of America Patent
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Jun 30, 1987
Grant Date -
N/A
app pub date -
May 16, 1985
filing date -
May 16, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An athletic shoe employs a pair of spring structures in such a way that an arm of a Y-shaped spring on one side of the ankle fastens under tension to a corresponding arm of a spring on the other side of the ankle. The springs are preferably of sheet material conforming to and affixed to the upper. The two springs may be formed as a wrap-around single member.
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