Shoe sole
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United States of America Patent
Stats
-
Dec 29, 1981
Grant Date -
N/A
app pub date -
Jun 8, 1978
filing date -
Nov 7, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A shoe sole having at least one strip of protuberant wall or ridge formed on its ground-contacting surface so as to divide said surface into at least two sections, said adjacent sections being made from different shoe sole materials in color or in quality.
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