FIG. 1 is a front perspective view of a toothbrush according to the new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is an enlarged top view thereof;
FIG. 8 is an enlarged bottom view thereof;
FIG. 9 is an enlarged detail view of the portion of the toothbrush depicted in FIG. 1; and,
FIG. 10 is an enlarged detail view of the portion of the toothbrush depicted in FIG. 3.
The series of oblong-shaped broken lines shown on the free ends of the cleaning elements represent the bounds of the claim and form no part thereof. The broken lines showing the rest of the cleaning elements, the head, and the handle illustrate portions of the toothbrush that form no part of the claimed design.