US D399975 S
Abstract available in
FIG. 1 is a perspective view of a staircase incorporating my design and arranged back-to-back;
FIG. 2 is a perspective view of the staircase;
FIG. 3 is a side elevation view thereof, the opposite side being identical thereto;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
Broken lines in the drawings are for illustrative purposes only and are not part of the claimed design.