The ornamental design for a protective backshield for pets, as shown and described.
FIG. 1 is a perspective view of the protective back shield for pets shown in use.
FIG. 2 is a front view of the protective back shield for pets.
FIG. 3 is a back view of the protective back shield for pets.
FIG. 4 is a left side view of the protective back shield for pets, as seen from the left side of FIG. 2.
FIG. 5 is a right side view of the protective back shield for pets, as seen from the right side of FIG. 2.
FIG. 6 is a top view of the protective back shield for pets, as seen from the top of FIG. 2.
FIG. 7 is a bottom view of the protective back shield for pets, as seen from the bottom of FIG. 2; and,
FIG. 8 is an exploded perspective view of the protective back shield for pets of FIG. 1.
The broken lines depicting the dog in FIG. 1 and the logo design shown on the top center of the protective back shield for pets in FIGS. 1, 2 and 8 illustrate environmental matter, and form no part of the claimed design. The dotted lines on the protective back shield for pets in FIGS. 1-3 and 8 represent claimed stitching.