The ornamental design for a trailerstand, as shown and described.
FIG. 1 is a top, right perspective view of a trailer stand.
FIG. 2 is a front view of the trailer stand of FIG. 1.
FIG. 3 is a rear view of the trailer stand of FIG. 1.
FIG. 4 is a right side view of the trailer stand of FIG. 1.
FIG. 5 is a left side view of the trailer stand of FIG. 1.
FIG. 6 is a sectional top view of the trailer stand of FIG. 1 taken along the line 6-6 shown in FIG. 2; and,
FIG. 7 is a bottom view of the trailer stand of FIG. 1.
The features shown in broken lines consisting of only dashes are for illustrative purposes only and do not form part of the claimed design. The broken lines consisting of dashes and dots are boundary lines that show the claimed design extends to the boundary lines but the boundary lines do not form part of the claimed design.