The ornamental design for an ultrasoniccutterhead, as shown and described.
FIG. 1 is a top, front, and left side perspective view of an ultrasonic cutter head, showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a rear elevational view thereof; and,
FIG. 8 is a full view thereof.
The broken lines shown in FIGS. 1-5 and FIGS. 7-8 atop the front edge illustrate boundaries of the ultrasonic cutter head. The additional broken lines shown in FIG. 8 illustrate environment and form no part of the claimed design.