The ornamental design for a lock out box, as shown and described.
FIG. 1 is a top, front, and right side perspective view of a lock out box in accordance with an embodiment of the design;
FIG. 2 is a top plan view of the lock out box of FIG. 1;
FIG. 3 is a front elevational view of the lock out box of FIG. 1;
FIG. 4 is a rear elevational view of the lock out box of FIG. 1;
FIG. 5 is a right side elevational view of the lock out box of FIG. 1 which is a mirror image of a left side elevational view;
FIG. 6 is a bottom plan view of the lock out box of FIG. 1;
FIG. 7 is a cross-sectional right side view of the box of FIG. 1 taken though line 7-7 in FIG. 3; and,
FIG. 8 is a bottom and front upward angular view of the lock out box of FIG. 1.
The dash-dash broken lines are for the purpose of illustrating unclaimed subject matter only and form no part of the claimed design. The dash-dot lines are for the purpose of indicating a boundary of the design on a surface and do not indicate an edge.