FIG. 1 is a perspective view of a vacuum cleaner, showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a perspective view of a vacuum cleaner of FIG. 1, in which unclaimed portions of the vacuum cleaner is deleted from FIG. 8 for illustrative purposes only;
FIG. 9 is a front view of a vacuum cleaner of FIG. 8;
FIG. 10 is a rear view of a vacuum cleaner of FIG. 8;
FIG. 11 is a left-side view of a vacuum cleaner of FIG. 8;
FIG. 12 is a right-side view of a vacuum cleaner of FIG. 8;
FIG. 13 is a top plan view of a vacuum cleaner of FIG. 8; and,
FIG. 14 is a bottom plan view of a vacuum cleaner of FIG. 8.
The broken lines are for environmental purposes only and form no part of the claimed design. The dot-dash lines in the figures represent an unclaimed boundary line and form no part of the claimed design.