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.
| D308190 | May 29, 1990 | Fetty et al. |
| D345327 | March 22, 1994 | Ota et al. |
| D347413 | May 31, 1994 | Manestar |
| D348241 | June 28, 1994 | Graas et al. |
| D348424 | July 5, 1994 | Maxwell et al. |
| D350321 | September 6, 1994 | Sugimoto |
| D379954 | June 17, 1997 | Matsuda et al. |
| D379955 | June 17, 1997 | Slingluff et al. |
| D390516 | February 10, 1998 | Lassan et al. |
| D399800 | October 20, 1998 | Himuro et al. |
| D400136 | October 27, 1998 | Heinen et al. |
| D407678 | April 6, 1999 | Dixon et al. |
| D413286 | August 31, 1999 | Umstot et al. |
| 4690189 | September 1, 1987 | Bradisse et al. |
- Atlas Super Sport Radial DT Tire, Tread Design Guide, p. 81. 2/5, Jan 1999.
Type: Grant
Filed: Feb 3, 2000
Date of Patent: Sep 11, 2001
Assignee: Bridgestone/Firestone Research, Inc. (Akron, OH)
Inventors: Everett J. Edwards (San Jose, CA), William B. Allison (Cuyahoga Falls, OH)
Primary Examiner: Robert M. Spear
Attorney, Agent or Law Firms: Thomas R. Kingsbury, Michael Sand
Application Number: 29/118,050
International Classification: 1215;
