US D453971 S1
FIG. 1 is a fragmentary perspective view of a theater riser lighting extrusion embodying my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a fragmentary front elevational view thereof;
FIG. 4 is an end elevational view thereof taken from a first end;
FIG. 5 is an end elevational view thereof taken from a second end;
FIG. 6 is a rear elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.