Knife blade

FIG. 1 is a front perspective view of a knife blade showing the present design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front end view thereof;

FIG. 7 is a rear end view thereof;

FIG. 8 is a front perspective view of a second embodiment of a knife blade showing the present design;

FIG. 9 is a left side view thereof;

FIG. 10 is a right side view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a front end view thereof;

FIG. 14 is a rear end view thereof;

FIG. 15 is a front perspective view of a third embodiment of a knife blade showing the present design;

FIG. 16 is a left side view thereof;

FIG. 17 is a right side view thereof;

FIG. 18 is a top plan view thereof;

FIG. 19 is a bottom plan view thereof;

FIG. 20 is a front end view thereof; and,

FIG. 21 is a rear end view thereof.