The ornamental design for pneumatic tires, as shown and described.
FIG. 1 is a perspective view of a pneumatic tire, showing our new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a right side elevation view thereof; and,
FIG. 8 is an enlarged front elevation view of FIG. 2, showing a portion thereof.
The broken “dash-dash” lines of even length illustrate portions of the tire that form no part of the claimed design. The portions depicted in broken “dash-dot” lines of uneven length define the boundary of the claimed design. The broken “dot-dot” lines in FIGS. 2 and 8 illustrate the boundary of the portion of the front elevation view.