Tread portion of an automobile tire

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

FIG. 2 is a front elevation view thereof. A top plan view and a bottom plan view are identical with the front elevation view.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is an enlarged fragmentary front view thereof; and,

FIG. 7 is an enlarged cross-sectional view thereof taken along line 7-7 in FIG. 6.

The portion of the article shown in broken lines is for illustrative purpose only and forms no part of the claimed design.

In the drawings, the stippled surfaces represent the recessed portions of the tread grooves, having the depth shown in FIG. 7.


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

Referenced Cited
U.S. Patent Documents
D386134 November 11, 1997 Cagneaux et al.
D508890 August 30, 2005 Sugitani et al.
Other references
  • Continental Contiwintercontact TS810 Tire, 2005 Tread Design Guide, Jan. 2005, p. 13. 2/3.
  • Contintental Conti 4×4 Wintercontact Tire, 2005 Tread Design Guide, Jan. 2005, p. 64. 4/2.
Patent History
Patent number: D545757
Type: Grant
Filed: Dec 16, 2005
Date of Patent: Jul 3, 2007
Assignee: Bridgestone Corporation (Tokyo)
Inventor: Takayuki Fukunaga (Chuo-ku)
Primary Examiner: Robert M. Spear
Attorney: Sughrue Mion, PLLC
Application Number: 29/244,927
Current U.S. Class: Straight Sides (D12/528)