The ornamental design for a licenseplateframe, as shown and described.
FIG. 1 is a perspective view of a license plate frame showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof, the rear being the same in appearance;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left-side elevational view thereof, the right side being the same in appearance; and,
FIGS. 6, 7 and 8 are top plan views of a second, a third and a fourth embodiment of FIG. 1, the only difference being the configuration of the text tab, it being understood that all other surfaces are the same as those of the first embodiment.
The broken lines illustrate portions of the license plate frame and form no part of the claimed design.