Pneumatic tire wear indicating tread pattern
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Feb 17, 1981
Grant Date -
N/A
app pub date -
Mar 2, 1979
filing date -
Jun 29, 1968
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pneumatic tire and moulding matrix therefore, the tire tread incorporating a traction pattern which changes distinctively when only a predetermined amount of tread rubber remains, thus warning the tire user that his tire is approaching the legal or safe limit and will soon have to be replaced or retreaded.
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Cited Art Landscape
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