Claims (1)
Claim 1 (Independent)
The ornamental design for a backpack vacuum cleaner as shown and described.
Full Description
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FIG. 1 is a perspective view of a backpack vacuum cleaner showing the new design.
FIG. 2 is a front view thereof.
FIG. 3 is rear view thereof.
FIG. 4 is a right-side view thereof.
FIG. 5 is a left-side view thereof.
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
In these drawings, the solid lines illustrate the claimed ornamental design, whereas broken lines illustrate unclaimed subject matter and form no part of the claimed design.
Citations
This patent cites (43)
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