Tread portion of an automobile tire

- Bridgestone Corporation
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History

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.

Broken lines in the drawing figures are intended to show environmental structure only, 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
D380995 July 15, 1997 Grosskopf
D388030 December 23, 1997 Schuster
D405740 February 16, 1999 Heinen et al.
D428837 August 1, 2000 Grosskopf et al.
D489037 April 27, 2004 Irimiya
D545266 June 26, 2007 Yamaura
D635915 April 12, 2011 Hamada
Foreign Patent Documents
1187632 October 2003 JP
Other references
  • Delta AK960 ST Tire; 2005 Tread Design Guide, p. 108, row 1, Item 2.
  • Wanli S-3074 Tire; 2005 Tread Design Guide, p. 136, row 4, Item 5.
  • GT Radial GT288 Tire; 2006 Tread Design Guide, p. 116, row 1, Item 4.
Patent History
Patent number: D646219
Type: Grant
Filed: Sep 23, 2009
Date of Patent: Oct 4, 2011
Assignee: Bridgestone Corporation (Tokyo)
Inventors: Yasutaka Suda (Tokyo), Atsushi Yamada (Tokyo)
Primary Examiner: Garth Rademaker
Attorney: Sughrue Mion, PLLC
Application Number: 29/344,058
Current U.S. Class: Notchless (D12/591)