The ornamental design for a percussioninstrumentstand, as shown and described.
FIG. 1 is a perspective view of a percussion instrument stand showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is an enlarged view of an indicated portion of FIG. 2; and,
FIG. 9 is another perspective view thereof in an using state.
The dashed lines illustrating portions of the percussion instrument stand represent unclaimed portions of the claimed design and form no part thereof. The dot-dashed lines define boundaries of the claimed design and form no part thereof. The double dot-dashed lines shown in FIGS. 2 and 8 represents boundaries around portions of the percussion instrument stand that have been enlarged for clarity and form no part of the claimed design.