FIG. 1 is a top plan view of a vacuum cleaner showing my new design; FIG. 2 is a bottom plan view thereof; FIG. 3 is a rear elevational view thereof; FIG. 4 is a side elevational view thereof; FIG. 5 is a front elevational view thereof; and FIG. 6 is a side elevational view of the opposite side of FIG. 4; and, FIG. 7 is perspective view of the vacuum cleaner shown in FIG. 1.