Tire tread

- Bridgestone Corporation
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FIG. 1 is a perspective view of a first embodiment of a tire tread, it being understood that the tread pattern repeats uniformly throughout the circumference of the tire.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a left side elevation view thereof; and,

FIG. 4 is an enlarged fragmentary view thereof.

The broken lines shown in the drawings are for the purpose of showing environmental structure only and form no part of the claimed design.


The ornamental design for a tire tread, as shown and described.

Referenced Cited
U.S. Patent Documents
D177233 March 1956 Hawkinson
3030998 April 1962 Jensen
3841372 October 1974 Boileau
D504865 May 10, 2005 Maziarka et al.
Foreign Patent Documents
3599998D January 2007 CN
000945571-0015 July 2008 EM
1178686 July 2003 JP
1371143 October 2009 JP
1371144 October 2009 JP
Other references
  • Russian Office Action dated Nov. 9, 2009.
Patent History
Patent number: D646628
Type: Grant
Filed: Feb 2, 2009
Date of Patent: Oct 11, 2011
Assignee: Bridgestone Corporation (Tokyo)
Inventors: Hidetoshi Yoda (Tokyo), Tomonori Aoki (Tokyo), Hiroaki Ono (Tokyo)
Primary Examiner: Caron Veynar
Assistant Examiner: George D Kirschbaum
Attorney: Sughrue Mion, PLLC
Application Number: 29/331,828
Current U.S. Class: Lateral Groove (D12/592)