Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2011-08-30
2011-08-30
Maki, Steven D (Department: 1747)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209280, C152SDIG020, C152S904000
Reexamination Certificate
active
08006729
ABSTRACT:
Disclosed is a pneumatic tire including a plurality of land portions and a plurality of fine grooves. The plurality of land portions are formed of blocks and a rib, and are defined in a tread part of the pneumatic tire. The fine grooves with a depth of 0.1 mm to 0.8 mm, a width of 0.1 mm to 0.8 mm and a pitch of 0.5 mm to 2.0 mm are formed in the tread surface of each of the land portions to be inclined at an angle of 42° to 60° relative to the circumferential direction of the tire. The inclined directions of the fine grooves relative to the circumferential direction of the tire are reverse to each other on the left and right sides of the equator of the tire.
REFERENCES:
patent: 5435364 (1995-07-01), Hasegawa et al.
patent: 6003574 (1999-12-01), Boiocchi et al.
patent: 6478062 (2002-11-01), Schomburg
patent: 2004/0238091 (2004-12-01), Watanabe
patent: 2005/0167022 (2005-08-01), Hashimoto
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patent: 03-220004 (1991-09-01), None
patent: 7-186633 (1995-07-01), None
patent: 07-186633 (1995-07-01), None
patent: 9-188111 (1997-07-01), None
patent: 11-165509 (1999-06-01), None
patent: 2002-29225 (2002-01-01), None
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patent: 2002-103919 (2002-04-01), None
patent: 2004-034902 (2004-02-01), None
patent: 2004-34903 (2004-02-01), None
patent: 2006-151230 (2006-06-01), None
Translation for Japan 07-186633 (no date).
Machine translation for Japan 2002-103919 (no date).
Translation for Japan 03-220004 (no date).
Machine translation for Japan 11-165509 (no date).
Machine translation for German 3901624 (no date).
Greer Burns & Crain Ltd.
Maki Steven D
The Yokohama Rubber Co. Ltd.
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