The ornamental design for a tonguedepressorblade, as shown and described.
FIG. 1 is a side view of a tongue depressor blade, showing our new design, the second side view being a mirror image of the tongue depressor blade of FIG. 1;
FIG. 2 is a perspective view of the tongue depressor blade of FIG. 1;
FIG. 3 is a first end view of the tongue depressor blade of FIG. 1;
FIG. 4 is a second end view of the tongue depressor blade of FIG. 1; and,
FIG. 5 is a plan view of the tongue depressor blade of FIG. 1, the opposite plan view being a mirror image of the tongue depressor blade of FIG. 1.
The broken lines shown in the views are included for the purpose of illustrating portions of the tongue depressor blade that form no part of the claimed design. In addition, the unshaded surface in the FIG. 4 view between the solid line and broken line at the center forms no part of the claimed design.