The ornamental design for a licenseplateframe, as shown and described.
FIG. 1 is a front elevation view for a license plate frame showing my new
design; FIG. 2 is a rear elevation view thereof; FIG. 3 is a top plan view
thereof; FIG. 4 is a bottom plan view thereof; FIG. 5 is a right side
elevation view thereof; FIG. 6 is a left elevation view thereof; FIG. 7 is
a front, top, right side, perspective view thereof; and, FIG. 8 is a rear,
top, left side, perspective view thereof.