The ornamental design for rack, as shown and described.
This patent contains at least one drawing/photograph executed in color. Copies of this patent with colored drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front perspective view of a wall rack.
FIG. 2 is a front elevational view of the invention.
FIG. 3 is a rear elevational view of the invention.
FIG. 4 is a top plan view of the invention.
FIG. 5 is a bottom plan view of the invention.
FIG. 6 is a left-side elevational view of the invention.
FIG. 7 is a right-side elevational view of the invention.
FIG. 8 is a rear perspective view thereof; and,
FIG. 9 is an enlarged perspective view of the encircled area 9 shown in FIG. 8.