Back cushion

Description

FIG. 1 is a front perspective view of a back cushion, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof, the right side view being a mirror image of FIG. 5;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross-sectional view taken through line 8-8 of FIG. 3 thereof; and,

FIG. 9 is a cross-sectional view taken through line 9-9 of FIG. 3 thereof.

The broken lines in FIG. 3 represent the planes upon which the cross-sectional views are taken, which form no part of the claimed design. The broken lines in FIGS. 8 and 9 represent portions of the article that form no part of the claimed design.

Claims

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