Backpack vacuum cleaner

Abstract

Description

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

FIG. 2 is a right side elevation view thereof, the left side being a mirror image of the right side view;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The environmental structure shown in broken lines and the dash dot lines which illustrate boundary lines form no part of the claimed design.

Claims

The ornamental design for backpack vacuum cleaner, as shown and described.