Vacuum cleaner

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

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view thereof.

FIG. 8 is an enlarged view of portion marked as 8 in FIG. 1 .

FIG. 9 is an enlarged view of portion marked as 9 in FIG. 1 .

FIG. 10 is an enlarged view of portion marked as 10 in FIG. 5 .

FIG. 11 is an enlarged view of portion marked as 11 in FIG. 5 .

FIG. 12 is an enlarged view of portion marked as 12 in FIG. 6 .

FIG. 13 is an enlarged view of portion marked as 13 in FIG. 6 .

FIG. 14 is an enlarged view of portion marked as 14 in FIG. 7 .

FIG. 15 is an enlarged view of portion marked as 15 in FIG. 7 .

FIG. 16 is an enlarged view of portion marked as 16 in FIG. 2 ; and,

FIG. 17 is an enlarged view of portion marked as 17 in FIG. 2 .

The dash-dash broken lines in the drawings depict boundaries of the enlargements that form no part of the claimed design.