FIG. 1 is a front view of a microtrencher blade showing our new design, with the rear view being identical thereto;
FIG. 2 is a front, top and left perspective view thereof;
FIG. 3 is a rear top and right perspective view thereof;
FIG. 4 is a rear, top and left perspective view thereof;
FIG. 5 is a side view thereof;
FIG. 6 is an enlarged fragmentary view thereof, taken from FIG. 5;
FIG. 7 is an enlarged front fragmentary view of the tooth portion of the microtrencher blade taken from FIG. 1;
FIG. 8 is an enlarged rear fragmentary view thereof; and,
FIG. 9 is an enlarged fragmentary view thereof, taken from FIG. 2.
The broken line elements are included for the purposes of illustrating portions of the microtrencher blade and form no part of the claimed design. Broken lines in alternating dot-dash format represent an unclaimed border of the claimed design. The broken lines in alternating Long Dash-Short Dash format in FIGS. 1, 2, and 5 represent callout locations for the expanded fragmentary views thereof.