Chair Back

FIG. 1 is an enlarged, front, top, and left side perspective view of a chair back showing the first embodiment of my new design.

FIG. 2 is a front view thereof;

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

FIG. 4 is a left side view thereof; and

FIG. 5 is a right side view thereof.

FIG. 6 is an enlarged, top, front, and left side perspective view of a chair back showing the second embodiment of my new design.

FIG. 7 is a front view of FIG. 6 ;

FIG. 8 is a top, front perspective view of FIG. 6 ;

FIG. 9 is a left side view of FIG. 6 ; and,

FIG. 10 is a right side view of FIG. 6 .

The dot-dash-dot broken lines immediately adjacent the shaded areas represent the bounds of the claimed design, while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.