US D486027 S1
FIG. 1 is a top view of our design for a mattress. The bottom of the mattress is plain and includes no ornamentality.
FIG. 2 is a right side view thereof. The left side view is a mirror image of the right side view.
FIG. 3 is a front view thereof. The rear view of our design is a mirror image of the front view.
FIG. 4 is an enlarged partial front view, taken from detail 4 of FIG. 3; and,
FIG. 5 is an enlarged partial side view, taken from detail 5 of FIG. 3.