FIG. 1 is a front and left perspective view of a locking system housing showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a rear elevational view thereof;
FIG. 8 is a top, front, and left perspective view of a second embodiment of a locking system housing;
FIG. 9 is a front elevational view of FIG. 8;
FIG. 10 is a left side elevational view of FIG. 8;
FIG. 11 is a right side elevational view of FIG. 8;
FIG. 12 is a top plan view of FIG. 8;
FIG. 13 is a bottom plan view of FIG. 8;
FIG. 14 is a rear elevational view FIG. 8;
FIG. 15 is a top, front, and left perspective view of a third embodiment of a locking system housing;
FIG. 16 is a front elevational view of FIG. 15;
FIG. 17 is a left side elevational view of FIG. 15;
FIG. 18 is a right side elevational view of FIG. 15;
FIG. 19 is a top plan view of FIG. 15;
FIG. 20 is a bottom plan view of FIG. 15; and,
FIG. 21 is a rear elevational view FIG. 15.
The broken lines indicate unclaimed portions and form no part of the claimed design.