The ornamental design of a doorframeelement, as shown and described.
FIG. 1 is a top plan view showing my new door frame element, the door shown in phantom lines is for illustrative purposes only and form no part of the claimed design;
FIG. 2 is a fragmented right side view thereof;
FIG. 3 is a fragmented back view thereof; the front view being a mirror image thereof;
FIG. 4 is a fragmented left side view thereof; and,