Vacuum cleaner

FIG. 1 is a front perspective view of a vacuum cleaner showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is enlarged view of the encircled portion in FIG. 1 ; and,

FIG. 10 is enlarged view of the encircled portion in FIG. 8 .

The dashed broken lines illustrate portions of the vacuum cleaner that form no part of the claimed design.

The dot-dash broken lines in the figures encircle portions of the claimed design that are illustrated in an enlargement and form no part of the claimed design.