The ornamental design for a probe, as shown and described.
FIG. 1 is a perspective view of a probe showing my new design;
FIG. 2 is a front view thereof, the rear view being a mirror image thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan side view thereof.
The broken lines show portions of the probe that form no part of the claimed design. The drawings include surface shading which represents contour and not surface ornamentation.
The parallel dash-dot-dash broken lines represent a symbolic break in the length of an unclaimed element of the probe and form no part of the claimed design. The appearance of any portion of the probe between the break lines forms no part of the claimed design.