Seat back for a golf car or similar vehicle

FIG. 1 is a perspective view of a seat back for a golf car or similar vehicle showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, which is a mirror image of the left side not shown;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines showing the support frame in FIG. 1 are illustrative of environmental structure only and the broken lines in FIG. 4 represent the bounds of the claimed design; the broken lines form no part of the claimed design.