The ornamental design for a vacuumcleaner, as shown and described.
FIG. 1 is a perspective view of a vacuum cleaner showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a perspective view of the vacuum cleaner on a cradle.
The broken lines in the drawings are for the purpose of illustrating portions of the vacuum cleaner that form no part of the claimed design. The broken lines showing a cradle in FIG. 9 are for the purpose of illustrating environment and form no part of the claimed design.