Tread portion of an automobile tire

- Bridgestone Corporation
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FIG. 1 is a front view of a tread portion of an automobile tire according to the present invention;

FIG. 2 is a perspective view thereof;

FIG. 3 is a right side view thereof; and,

FIG. 4 is a fragmentary enlarged view showing the details of the tread portion thereof.

The evenly-spaced broken lines shown in the drawings are for the purpose of showing environmental structure only and form no part of the claimed design. The dashed-dotted broken lines in the drawings are used to show the boundary between claimed and unclaimed subject matter and form no part of the claimed design.


The ornamental design for a tread portion of an automobile tire, as shown and described.

Referenced Cited
U.S. Patent Documents
D116310 August 1939 Murphy
D380995 July 15, 1997 Grosskopf
D388030 December 23, 1997 Schuster
D405740 February 16, 1999 Heinen et al.
D428837 August 1, 2000 Grosskopf et al.
D464026 October 8, 2002 Godin
D545266 June 26, 2007 Yamaura
D604229 November 17, 2009 Le et al.
D635915 April 12, 2011 Hamada
Other references
  • Advance AD 555ST Radial Highway Tire; 2005 Tread Design Guide, p. 101, Row 1, Item 3.
  • Michelin Xone XTE Tire; 2005 Tread Design Guide, p. 123, Row3, Item 3.
  • Bridgestone Greatec Trailer Tire; 2006 Tread Design Guide, Row 3, Item 5.
Patent History
Patent number: D646624
Type: Grant
Filed: Sep 22, 2009
Date of Patent: Oct 11, 2011
Assignee: Bridgestone Corporation (Tokyo)
Inventor: Suguru Yamaguchi (Tokyo)
Primary Examiner: Garth Rademaker
Attorney: Sughrue Mion, PLLC
Application Number: 29/343,994