Pneumatic tire with tread having rib shaped land section,...

Details Pneumatic tire with tread having rib shaped land section,... Pneumatic tire with tread having rib shaped land section,...

2004-12-21

2009-10-20

Maki, Steven D (Department: 1791)

Resilient tires and wheels

Tires, resilient

Anti-skid devices

C152S209270, C152SDIG020

Reexamination Certificate

active

07604030

ABSTRACT:
A pneumatic tire10aincluding in a tread at least two circumferential major grooves20a,21a,22a, and23aextending in a tire circumferential direction and a rib-shaped land section formed, the pneumatic tire including: lug grooves30a,31a,32a, and33aextending in a tire width direction, each of which includes an end closed by the lib-shaped land section and the other end open to one of the circumferential major grooves (21a,22a), the open ends being arranged in a staggered fashion in the tire circumferential direction; and first sipes which include a sipe40aextending in the tire width direction and a sipe41aextending in the tire circumferential direction and connect the lug grooves arranged in the staggered fashion.

REFERENCES:
patent: 5385189 (1995-01-01), Aoki et al.
patent: 6250354 (2001-06-01), Kawai
patent: 1454768 (2004-09-01), None
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patent: 2000-225815 (2000-08-01), None
patent: 2000-229505 (2000-08-01), None
patent: 2000-280713 (2000-10-01), None
patent: 2000-326707 (2000-11-01), None
patent: 2002-362114 (2002-12-01), None
Japanese Office Action dated Mar. 10, 2009.

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