The ornamental design for a dockfender, as shown and described.
FIG. 1 is a front perspective view of a dock fender comprising the new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a top view thereof, the bottom view being a mirror image thereof;
FIG. 4 is a left side elevation view thereof, the right side elevation view being a mirror image thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a rear elevation view thereof;
FIG. 7 is a side elevational view drawn to a reduced scale; and,
FIG. 8 is a front perspective view drawn to a reduced scale.
The broken lines depicting the attachment straps in the figures and the environmental structure in FIGS. 7 and 8 have been shown for illustrative purposes only and form no part of the claimed design.
The rectangular area depicted by broken lines in FIGS. 2, 3, and 6 defines the boundaries of the claimed design.