Paint Brush

FIG. 1 is a top, front, left perspective view of a paint brush, showing our new design;

FIG. 2 is a front side elevation view thereof;

FIG. 3 is a back side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

The bottom plan view thereof is disclaimed and not shown.

The broken line showing in FIGS. 1 - 6 is for the purpose of illustrating portions of the paint brush and forms no part of the claimed design.