The ornamental design for a petpad, as shown and described.
The patent or application file contains at least one photograph executed in color. Copies of this patent or patent application publication with color photographs will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a top plan view of a pet pad showing my new design;
FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;
FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image thereof; and,