The ornamental design for a fender, as shown and described.
FIG. 1 is a perspective view of a fender.
FIG. 2 is a right side elevational view of the fender of FIG. 1.
FIG. 3 is a left side elevational view of the fender of FIG. 1.
FIG. 4 is a back elevational view of the fender of FIG. 1.
FIG. 5 is a front elevational view of the fender of FIG. 1.
FIG. 6 is a top plan view of the fender of FIG. 1.
FIG. 7 is a bottom plan view of the fender of FIG. 1; and,
FIG. 8 is a perspective view of the fender of FIG. 1 sitting within a semi-truck cab.
The dash-dot-dash broken lines in FIGS. 3, 4, and 7 depict the boundaries of the claim. Unshaded areas defined by the dash-dot-dash broken lines form no part of the claimed design. Evenly-spaced broken lines in FIG. 8 depict environmental subject matter that forms no part of the claimed design.