Tire tread
FIG. 1 is a front elevational view of a tire tread showing our new design for mounting on the right side of a vehicle; 
     FIG. 2 is a right perspective view thereof; 
     FIG. 3 is a left perspective view thereof; 
     FIG. 4 is a right side elevational view thereof; 
     FIG. 5 is a left side elevational view thereof; 
     FIG. 6 is an enlarged fragmentary front view thereof; 
     FIG. 7 is a front elevational view of a tire tread showing a second embodiment our new design for mounting on the left side of a vehicle; 
     FIG. 8 is a right perspective view of FIG. 7; 
     FIG. 9 is a left perspective view of FIG. 7; 
     FIG. 10 is a right side elevational view of FIG. 7; 
     FIG. 11 is a left side elevational view of FIG. 7; and, 
     FIG. 12 is an enlarged fragmentary front view of FIG. 7. 
     The tread pattern is understood to be repeated uniformly throughout the circumference of both embodiments of the tire tread, and the broken line showing of the sidewalls in all views of the drawing is for illustrative purposes only and form no part of the claimed design.