Claims (1)
Claim 1 (Independent)
The ornamental design for a backpack cooler, as shown and described.
Full Description
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FIG. 1 is a front view of a backpack cooler showing our new design; FIG. 2 is a back view thereof; FIG. 3 is a right view thereof; FIG. 4 is a left view thereof; FIG. 5 is a bottom view thereof; and, FIG. 6 is a top view thereof. The broken lines show portions of the backpack cooler that form no part of the claimed design.
Citations
This patent cites (9)
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