Boat dock fender bumper

FIG. 1 is a front and top perspective view of a boat dock fender bumper, showing our new design;

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is another perspective view thereof, shown in a using position.

The broken lines in the figures illustrate portions of the boat dock fender bumper that form no part of the claimed design. The broken lines showing of additional two boat dock fender bumpers in FIG. 9 depict environmental structure that form no part of the claimed design.