Tire tread
Latest Bridgestone/Firestone Research, Inc. Patents:
FIG. 1 is a side perspective view of a tire tread showing our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire tread, the opposite side being the same as that shown;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view of the right side thereof, the opposite side being identical thereto; and,
FIG. 4 is an enlarged fragmentary front elevational view thereof.
The dark stippled surface shading represents the recessed portion of the tread grooves, having a depth as best shown in FIG. 2; the broken lines defining the tire sidewall and inner bead and the peripheral boundary between the tire tread and sidewall are for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for a tire tread, as shown and described.
| D301855 | June 27, 1989 | Ono |
| D328267 | July 28, 1992 | Constant |
| D368057 | March 19, 1996 | Shirai et al. |
| D368687 | April 9, 1996 | Hayashi |
| D381944 | August 5, 1997 | Regallis et al. |
| D390517 | February 10, 1998 | Guspodin et al. |
| D398890 | September 29, 1998 | Harpes et al. |
| D415451 | October 19, 1999 | Weber et al. |
| D415454 | October 19, 1999 | Blankenship et al. |
| 5269357 | December 14, 1993 | Killian |
- Duralon Widetrack Baja H/T Tire, 1999 Tread Design Guide, p. 27. 4/1, Jan. 1999.*
- Nitto NT-460 Tire, 1999 Tread Design Guide, p. 55.2/3, Jan. 1999.*
- Federal maha steel 315 Tire, 1999 Tread Design Guide, p. 93. 3/5, Jan. 1999.
Type: Grant
Filed: Apr 14, 2000
Date of Patent: May 22, 2001
Assignee: Bridgestone/Firestone Research, Inc. (Akron, OH)
Inventors: Timothy J. Lassan (Kent, OH), Richard J. Wright (Wadsworth, OH)
Primary Examiner: Robert M. Spear
Attorney, Agent or Law Firms: Michael Sand, Thomas R. Kingsbury, John H. Hornickel
Application Number: 29/122,053
International Classification: 1215;
