Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2007-09-18
2007-09-18
Maki, Steven D. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209210, C152S209280, C152SDIG020
Reexamination Certificate
active
10469026
ABSTRACT:
A tire for a vehicle wheel includes a carcass structure, a belt structure associated coaxially with the carcass structure, and a tread band extending coaxially around the belt structure. The tread band includes a relief pattern including at least one row of blocks separated by transverse grooves intersecting two circumferential grooves. Each block of the at least one row is essentially delimited by two longitudinal sides in a circumferential direction of the tire and two transverse sides with respect to a predetermined rolling direction of the tire. Each block of the at least one row is formed by two axially-adjacent block portions. The transverse sides of each block portion include at least two successive curvilinear portions shaped differently from each other. The transverse grooves include two branches, each branch including a widened cross-section of substantially-curvilinear shape disposed in an area substantially equidistant from ends of a respective branch.
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Colombo Gianfranco
Isola Mario
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Maki Steven D.
Pirelli Pneumatici S.p.A.
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