Short shoe spike
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United States of America Patent
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-
Jan 15, 2002
Grant Date -
N/A
app pub date -
Sep 29, 1999
filing date -
May 28, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A replaceable spike for sport shoes, molded from a durable plastic-type material, comprising a main body, concavo-convex disc having a top portion and a bottom portion. The top portion has a threaded post extending outwardly for removably attaching the spike to the sole of the shoe. The bottom portion, which is connected to the top portion, contains a plurality of nubs extending outwardly from the bottom portion for providing traction between the shoe and a supporting ground surface, while alleviating damage to the ground surface. Preferably, the nubs are at least three different sizes (small, medium, and large), based upon a fractal-like design, to provide surface roughness on multiple scales for increased traction.
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