Vacuum cleaner

FIG. 1 is a first perspective view of a vacuum cleaner showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is an enlarged top view thereof;

FIG. 8 is an enlarged bottom view thereof; and,

FIG. 9 is an enlarged view of the selected portion 9 in FIG. 1 .

The dash-dash broken lines shown in the drawings depict portions of the vacuum cleaner that form no part of the claimed design. The dot-dash broken lines in FIGS. 1 and 9 illustrate the periphery of the enlarged views of the vacuum cleaner and form no part of the claimed design.