Automobile tire having retractable tread studs
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United States of America Patent
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-
Jun 30, 1987
Issued Date -
N/A
app pub date -
Apr 22, 1985
filing date -
Aug 13, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An automobile tire having retractable tread studs for increasing traction of the tire on slippery surfaces which are actuated by air pressure that is controlled by the automobile driver from the driver's seat.
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