Ultrasonic Knife

FIG. 1 is a top, right side perspective view of an ultrasonic knife showing our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an enlarged view of area 8 encircled by broken lines in FIG. 6 ; and,

FIG. 9 is an enlarged view of area 9 encircled by broken lines in FIG. 3 .

The dash-dash broken lines in the drawings depict portions of the ultrasonic knife that form no part of the claimed design. The dot-dash broken lines shown in the figures are included to identify areas of enlargement and form no part of the claimed design.