Pneumatic tire having non-symmetric pattern

Resilient tires and wheels – Tires – resilient – Anti-skid devices

Reexamination Certificate

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Details

C152S209160, C152S523000

Reexamination Certificate

active

06991015

ABSTRACT:
A pneumatic tire having a non-symmetric pattern in which a land ratio Lo of an outer tread surface portion To facing towards the outside of a vehicle from a tire equator C is set to be larger than a Land ratio Li of an inner tread surface pattern Ti facing towards the inside of the vehicle from the tire equator C; and concave grooves9extending substantially in a circumferential direction of the tire, formed in an outer tire side region Yo that is located between a grounding end Eo of the outer tread surface portion To and the maximum width position M of the tire facing towards the outside of the vehicle.

REFERENCES:
patent: 3253635 (1966-05-01), Travers
patent: 4152186 (1979-05-01), Shibata
patent: 5769976 (1998-06-01), Omokawa et al.
patent: 6341636 (2002-01-01), Fujishiro
patent: 0 085 788 (1983-08-01), None
patent: 0 718 124 (1996-06-01), None
patent: 2 349 367 (2000-11-01), None
patent: 61-81207 (1986-04-01), None
patent: 61081207 (1986-04-01), None
patent: 5-294115 (1993-11-01), None
patent: 11-198608 (1999-07-01), None
patent: 2000-16032 (2000-01-01), None

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