Pet Litter Box

FIG. 1 is a top, front, right-side perspective view of the pet litter box showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom, rear, left-side perspective view thereof.

The broken lines throughout the drawing figures depict portions of the pet litter box that form no part of the claimed deign. The dot-dash broken lines shown in FIG. 1 depict the bounds of the claimed design and forms no part of the claimed design.