The ornamental design for a handheldcleaningmachine, as shown and described.
FIG. 1 is a perspective view of a handheld cleaning machine showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof;
FIG. 9 is another perspective view thereof with the upper part separated; and,
FIG. 10 is another perspective view thereof with the pipe attached.
The dashed broken lines illustrate portions of the handheld cleaning machine and form no part of the claimed design. The dot-dash broken lines in FIG. 10 illustrate environmental structure and form no part of the claimed design.