The ornamental design for an adultdiaper, as shown and described.
FIG. 1—is a perspective view of an adult diaper
FIG. 2—is a front plan view thereof;
FIG. 3—is a back plan view thereof;
FIG. 4—is a left side view, the right side being a mirror image thereof; and,
FIG. 5—is a back view; the front view being a mirror image thereof.
The crosshatching does not constitute a part of the claimed invention and is entirely disclaimed, but is only shown in random locations to illustrate the claimed surface.
The dash dot lines illustrate a boundary which forms no part of the claimed design.
The broken lines depict environmental subject matter only and form no part of the claimed design.