The ornamental design for a topplate and waterdiverter, as shown and described.
FIG. 1 is a front perspective view of a top plate and water diverter showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a right elevation view thereof;
FIG. 5 is a left elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a bottom perspective view thereof;
FIG. 9 is a front full perspective view thereof;
FIG. 10 is a bottom full perspective view thereof; and,
FIG. 11 is a front perspective view shown with environment.
The broken lines seen in FIG. 11 represent unclaimed environment and form no parts of the claimed design. The broken lines seen in FIGS. 1, & 4-8 represent removal of central portions of the design for the purpose of ease of illustration, and form no parts of the claimed design.