The ornamental design for a displayrack, as shown and described.
FIG. 1 is a top, front, and right side perspective view of a first embodiment of a display rack showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a top, front, and right side perspective view of a second embodiment thereof;
FIG. 8 is a front elevational view thereof;
FIG. 9 is a top, front, and right side perspective view of a third embodiment thereof;
FIG. 10 is a front elevational view thereof; and,
FIG. 11 is a top, front, and right side perspective view of a fourth embodiment thereof.
The broken-line disclosure in the views is understood to unclaimed subject matter included for illustrative purposes only and which forms no part of the claimed design.