Chair back

Description

FIG. 1 is a perspective view of a chair according to the invention.

FIG. 2 is a front view of the chair of FIG. 1.

FIG. 3 is a rear view of the chair of FIG. 1.

FIG. 4 is a first side view of the chair of FIG. 1.

FIG. 5 is a second side view of the chair of FIG. 1.

FIG. 6 is a top view of the chair of FIG. 1; and,

FIG. 7 is a bottom view of the chair of FIG. 1.

The broken lines depict portion of the chair back that form no part of the claimed design. The long-dash/short-dash broken lines indicate a boundary of the claimed design and form no part of the claimed design.

Claims

The ornamental design for a chair back as shown and described.