We claim the ornamental design for a boat carrier, as shown and described.
FIG. 1 is a perspective view of a boat carrier constructed in accordance with the present invention.
FIG. 2 is a top plan view thereof.
FIG. 3 is a bottom plan view thereof.
FIG. 4 is a rear elevation view thereof.
FIG. 5 is a front elevation view thereof; and,
FIG. 6 is a right side elevation view thereof. The left side elevation view is a mirror image of the view in FIG. 6.
The dash-double-dot-dash line(s) shown in the drawings are for illustrative purposes only and form no part of the claimed design.
The stippling and shading lines shown in the drawing(s) represent the approximate three-dimensional contour of the design, and are not intended to indicate surface decoration.
Portions of the boat carrier that are not shown in the drawing(s) form no part of the claimed design.