Cutting blade

The design is the visual features of the Cutting Blade shown in solid lines in the drawings, whether those features are features of one of shape, configuration, ornament or pattern or are a combination of any of these features. The portions illustrated in stippled or broken line do not form part of the designDrawings of the design are included.FIG. 1 is a perspective view of the cutting blade; FIG. 2 is a front elevation view thereof; FIG. 3 is a rear elevation view thereof; FIG. 4 is a right side elevation thereof; FIG.5 is a left side elevation view thereof; Fig. 6 is a top view thereof; and, FIG. 7 is a bottom view thereof