Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2007-11-14
2011-10-25
Maki, Steven D (Department: 1747)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209110, C152S209210, C152S902000
Reexamination Certificate
active
08042583
ABSTRACT:
A pneumatic tire having an improved off-road traveling performance, which has a block pattern that a plurality of blocks7are provided in a tread portion, in which each of the blocks7includes a tread surface9facing radially outward and a wall surface10extending radially inwardly from the edge “e” of the tread surface9, and at least one of the blocks7is provided with at least one recess portion11which extends on the wall surface10in the radial direction, and whose radially outer end opens at the tread surface9and whose length L along the wall surface10is from 10 to 70% of the height BL of the blocks7.
REFERENCES:
patent: 5178699 (1993-01-01), Kakumu et al.
patent: 5355922 (1994-10-01), Kogure et al.
patent: 02-099409 (1990-04-01), None
patent: 06-320916 (1994-11-01), None
patent: 11-078427 (1999-03-01), None
patent: 2002-362111 (2002-12-01), None
patent: 2006-027567 (2006-02-01), None
Machine translation for Japan 2006-027567 (no date).
Machine translation for Japan 06-320916 (no date).
Machine translation for Japan 2002-362111 (no date).
Birch & Stewart Kolasch & Birch, LLP
Maki Steven D
Sumitomo Rubber Industries Ltd.
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