The ornamental design for a frontbumper, as shown and described.
FIG. 1 is a right, front perspective view of a front bumper for a vehicle according to the present invention.
FIG. 2 is a left, rear perspective view of the front bumper shown in FIG. 1.
FIG. 3 is a front view thereof.
FIG. 4 is a rear view thereof.
FIG. 5 is a left side view thereof.
FIG. 6 is a right side view thereof.
FIG. 7 is a top view thereof; and,
FIG. 8 is another right, front perspective view of the front bumper shown in FIG. 1, with the front bumper mounted on a vehicle shown in de-emphasized and half-tone portions so as to illustrate environmental structures for the vehicle front. These portions form no part of the claimed invention. More particularly, in FIG. 8, the front bumper of the present invention is shown within the broken lines and any elements shown outside of the broken lines form no part of the claimed invention, but are instead included to show environmental aspects of the claimed invention.