FIG. 1 is a perspective view of a tire tread, showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a perspective view of a section of the tire tread as defined by lines a-a and b-b;
FIG. 5 is an enlarged view of the section of the tire tread defined by lines a-a and b-b in FIG. 4;
FIG. 6 is a front view of a section of the tire tread as defined by lines c-c and d-d:
FIG. 7 is an enlarged view of the section of the tire tread defined by lines c-c and d-d in FIG. 6;
FIG. 8 is a right side view of a section of the tire tread as defined by line e and line f; and,
FIG. 9 is an enlarged view of the section of the tire tread defined by line e and line f in FIG. 8.
The broken line showing of the tire in FIGS. 4-9 is included for the purpose of illustrating environment, and forms no part of the claimed design.