Back brace

Description

FIG. 1 is a perspective view of a back brace design showing my new design.

FIG. 2 is a state of unfolding perspective view of the back brace.

FIG. 3 is a front view of the back brace.

FIG. 4 is a rear view of the back brace.

FIG. 5 is a left side view of the back brace.

FIG. 6 is a right side view of the back brace.

FIG. 7 is a top view of the back brace; and,

FIG. 8 is a bottom view of the back brace.

Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the back brace design in the drawings.

The broken lines depict portions of the back brace that form no part of the claimed design.

Claims

The ornamental design for a back brace, as shown and described.