The ornamental design for a laddertop, as shown and described.
FIG. 1 is a rear perspective view of a ladder top showing our new design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a left side elevational view thereof, the view from the other side being a mirror image of FIG. 7; and,
FIG. 8 is a front perspective view thereof, shown in a condition of use.
The broken lines shown in the figures are included for the purpose of illustrating portions of the ladder top which form no part of the claimed design. The broken lines showing a ladder and an impact drill in FIG. 8 are included for the purpose of illustrating environment which form no part of the claimed design.