Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2007-09-25
2007-09-25
Maki, Steven D. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209190, C152S901000, C152SDIG010, C152SDIG020
Reexamination Certificate
active
11104752
ABSTRACT:
The present invention provides a heavy load pneumatic tire capable of effectively preventing a river wear from generating while preventing a crack or a stone-biting from generating in a sipeing end. In a heavy load pneumatic tire in which a tread portion has a rib pattern formed with ribs divided by main grooves which are continuous in a circumferential direction of the tire, at least one of the main grooves that is located on the outermost side in a widthwise direction of the tire is provided at its groove bottom with a projecting stripe which is continuous in the circumferential direction of the tire, and the ribs adjacent to an inner side of the main groove are provided with closed sipeings arranged at substantially constant distances from each other.
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patent: 2001-163014 (2001-06-01), None
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Abstract for Japan 6-239107, Dec. 23, 2006.
Machine translation for Japan 6-239107, Dec. 26, 2006.
Knobbe Martens Olson & Bear LLP
Maki Steven D.
Toyo Tire & Rubber Co., Ltd.
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