Uninterrupted Equatorial Circumferential Rib Patents (Class D12/551)
Zigzag type (Class D12/552)
Fully transected by sipe (Class D12/553)
Laterally opposed notches (Class D12/554)
Straight sides (Class D12/555)
  • Tire tread
    Patent number: D456764
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: May 7, 2002
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Richard Heinen, Sebastien Fontaine
  • Tire tread
    Patent number: D459290
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: June 25, 2002
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Michael Joseph Weber, Joseph Kevin Hubbell, Michael Stefan Skurich, Jeffrey Lee Plauny
  • Tire tread
    Patent number: D459291
    Type: Grant
    Filed: December 14, 2001
    Date of Patent: June 25, 2002
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Billy Joe Ratliff, Jr., Jonathan James Shondel
  • Automobile tire
    Patent number: D471149
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: March 4, 2003
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Kenichiro Endo, Takeshi Masatomo, Mitsutoshi Saeki, Yukio Kuroda, Masahiro Ebiko
  • Automobile tire
    Patent number: D471150
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: March 4, 2003
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Kenichiro Endo, Takeshi Masatomo, Mitsutoshi Saeki, Yukio Kuroda, Masahiro Ebiko
  • Automobile tire
    Patent number: D471858
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: March 18, 2003
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Kenichiro Endo, Takeshi Masatomo, Mitsutoshi Saeki, Yukio Kuroda, Masahiro Ebiko
  • Tire tread
    Patent number: D472515
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: April 1, 2003
    Assignee: Michelin Recherche et Technique S.A.
    Inventors: John Anthony Hutz, Oscar Francisco Pereda, Philip Blair Webb
  • Tire tread
    Patent number: D484846
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: January 6, 2004
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Maurice Graas