Paintbrush

FIG. 1 is a front elevational view of a paintbrush, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top, front perspective view thereof;

FIG. 4 is a top, rear perspective view thereof;

FIG. 5 is a bottom, front perspective view thereof;

FIG. 6 is a bottom, rear perspective view thereof;

FIG. 7 is a side elevational view thereof;

FIG. 8 is another side elevational view thereof;

FIG. 9 is a bottom plan view thereof; and,

FIG. 10 is a top plan view thereof.

In the drawings, the broken lines depict portions of the paintbrush that form no part of the claimed design.