Claims (1)
Claim 1 (Independent)
The ornamental design for a portable backup power supply unit, as shown and described.
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The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1. Portable backup power supply unit
1 . 1 : Front
1 . 2 : Back
1 . 3 : Left
1 . 4 : Right
1 . 5 : Top
1 . 6 : Bottom
1 . 7 : Perspective
Citations
This patent cites (32)
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