The ornamental design for an elevated petfeeder, as shown and described.
FIG. 1 is a front isometric view of the elevated pet feeder of the present invention;
FIG. 2 is rear isometric view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a left-side view thereof; and,
FIG. 7 is a right side view thereof.
The broken lines showing mechanical fasteners on the stand, and underside of the feeder illustrate portions of the elevated pet feeder that are not claimed.