Pet Drinking Bowl

FIG. 1 is a perspective view of a pet drinking bowl showing my new design; FIG. 2 is a side elevation view thereof, representative of the appearance from the front, left, right, and rear; FIG. 3 is a top plan view thereof; and FIG. 4 is a bottom plan view thereof. FIG. 5 is a perspective view of a pet drinking bowl showing my new design; FIG. 6 is a side elevation view thereof, representative of the appearance from the front, left, right, and rear; FIG. 7 is a top plan view thereof; and, FIG. 8 is a bottom plan view thereof. The broken lines are included for the purpose of showing a boundary and portions of the pet drinking bowl that form no part of the claimed design.