FIG. 1 is a perspective view of the tire tread showing a first embodiment of our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right view thereof;
FIG. 4 is a left view thereof;
FIG. 5 is an enlarged view thereof with section lines corresponding to FIGS. 6, 7 and 8;
FIG. 6 is a first transversal section view thereof;
FIG. 7 is a second transversal section view thereof;
FIG. 8 is a third transversal section view thereof;
FIG. 9 is a perspective view of the tire tread showing a second embodiment of our new design;
FIG. 10 is a front view thereof;
FIG. 11 is a right view thereof;
FIG. 12 is a left view thereof;
FIG. 13 is an enlarged view thereof with section lines corresponding to FIGS. 14, 15 and 16;
FIG. 14 is a first transversal section view thereof;
FIG. 15 is a second transversal section view thereof;
FIG. 16 is a third transversal section view thereof;
FIG. 17 is a perspective view of the tire tread showing a third embodiment of our new design;
FIG. 18 is a front view thereof;
FIG. 19 is a right view thereof;
FIG. 20 is a left view thereof;
FIG. 21 is an enlarged view thereof with section lines corresponding to FIGS. 22, 23 and 24;
FIG. 22 is a first transversal section view thereof;
FIG. 23 is a second transversal section view thereof; and,
FIG. 24 is a third transversal section view thereof.
The broken lines are used to show portions of the tire tread that are not being claimed, and thus form no part of the claimed design.