US D624765 S1
The ornamental design for an office cabinet, as shown and described.
FIG. 1 is a perspective view of the office cabinet;
FIG. 2 is a bottom view;
FIG. 3 is a top view;
FIG. 4 is a front view;
FIG. 5 is a back view;
FIG. 6 is a left side view; and,
FIG. 7 is a right side view thereof.