The ornamental design for a ladderplatform, as shown and described.
FIG. 1 is a left perspective view of a ladder platform showing my new
design, the right perspective view being a mirror image thereof;
FIG. 2 is an enlarged fragmentary top plan view of a side member taken
along line 2--2 of FIG. 1, the broken line showing of the ladder post is
for illustrative purposes only and form no part of the claimed design;
FIG. 3 is an enlarged fragmentary perspective view of the corner hinge
thereof;
FIG. 4 is a fragmentary cross-sectional view taken on line 4--4 of FIG. 1;
and
FIG. 5 is a perspective view thereof, the broken line showing of a hatch
and ladder is for illustrative purposes only and form no part of the
claimed design.