Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2011-06-07
2011-06-07
Maki, Steven D (Department: 1747)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209210, C152S209220, C152SDIG020, C152S902000
Reexamination Certificate
active
07954527
ABSTRACT:
A pneumatic tire provided with a tread pattern on which a plurality of blocks are formed with circumferential grooves which extend along a circumferential direction of the tire and lateral grooves which traverse the circumferential grooves, wherein the lateral groove disposed between the blocks on the endmost tread edge region has a depth from 10 to 50% of a depth of the circumferential groove to be traversed and has a groove bottom concave portion whose both ends in a longitudinal direction are disposed inside the groove bottom, and a width of the groove bottom concave portion, which is determined on the basis of the bottom plane of the groove bottom, is from 25 to 45% of a groove width of the lateral groove.
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patent: 6382283 (2002-05-01), Caretta
patent: 6409861 (2002-06-01), Yukawa
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Machine translation for Japan 2001-187517 (no date).
Machine translation for Japan 11-278016 (no date).
Chinese Office Action for Application No. 200710143358.X, dated Jul. 8, 2010, 4 pages.
Fish & Richardson P.C.
Maki Steven D
Toyo Tire & Rubber Co., Ltd.
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