All-terrain pneumatic tire
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 21, 1989
Grant Date -
N/A
app pub date -
Feb 4, 1988
filing date -
Feb 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The tread of a tire has an on-road pattern formed in its central area and including traction grooves. An off-road pattern is provided at each side of the tread central area, as formed on each tire shoulder. The off-road pattern has lugs and an annular wing adjacent to a curved recessed portion and is positioned radially inward from the bottom of the traction grooves so as to be held out of contact with the surface of the road during on-road operation. The on-road pattern is immersed in off-road terrain with the off-road pattern in contact with the surface of the terrain over an increased area to effectively engage mud, sand or the like.
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Cited Art Landscape
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