Double back frame chair back

Description

FIG. 1 is a front elevation view of a double back frame chair back showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

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

FIG. 7 is a front perspective view thereof.

The broken lines in the figures depict portions of the double back frame chair back that form no part of the claimed design.

Claims

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