The ornamental design for a frontbumper, as shown and described in FIGS. 1-10.
FIG. 1 is a front right perspective view of a front bumper for a vehicle according to the present invention.
FIG. 2 is a front left perspective view of the front bumper shown in FIG. 1.
FIG. 3 is a rear left perspective view thereof.
FIG. 4 is a rear right perspective view thereof.
FIG. 5 is a front view thereof.
FIG. 6 is a rear view thereof.
FIG. 7 is a left side view thereof.
FIG. 8 is a right side view thereof.
FIG. 9 is a top view thereof; and,
FIG. 10 is a front left perspective view of the front bumper shown in FIGS. 1-9, mounted on a vehicle, with the vehicle shown in de-emphasized and half-tone portions so as to illustrate environmental structure. These portions form no part of the claimed invention. More particularly, in FIG. 10, the inventive front bumper is shown within the outer peripheral broken line and the elements shown outside of the outer peripheral broken line form no part of the claimed invention, but are instead included to show environmental aspects thereof. FIG. 10 also includes an inner broken line located entirely inside the outer broken line, and the elements inside the inner broken line form no part of the invention.