FIG. 1 is a perspective view of a utility knife showing my new design with the blade being extended therefrom;
FIG. 2 is a front end view thereof;
FIG. 3 is a rear end view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is another perspective view of the utility knife with the blade being retracted thereinto.
The broken line in FIGS. 1, 4, 5 and 8 forms no part of the claimed design.