Toothbrush

FIG. 1 is a front perspective view of a toothbrush according to a first embodiment of the new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof:

FIG. 5 is a left side elevation view thereof,

FIG. 6 is a right side elevation view thereof;

FIG. 7 is an enlarged top plan view thereof;

FIG. 8 is an enlarged bottom plan view thereof;

FIG. 9 is a front perspective view of a toothbrush according to a second embodiment of the new design;

FIG. 10 is a rear perspective view thereof;

FIG. 11 is a front elevation view thereof;

FIG. 12 is a rear elevation view thereof;

FIG. 13 is a left side elevation view thereof.

FIG. 14 is a right side elevation view thereof;

FIG. 15 is an enlarged top plan view thereof; and,

FIG. 16 is an enlarged bottom plan view thereof.

The dash-dot-dash broken lines define the bounds of the claimed design and form no part thereof. All other broken lines illustrate portions of the toothbrush that form no part of the claimed design.