Claims (1)
Claim 1 (Independent)
The ornamental design for a backpack frame, as shown and described.
Full Description
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FIG. 1 is a front, side perspective view of a backpack frame, showing the new design;
FIG. 2 is left side view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is bottom view thereof;
FIG. 6 is a front view thereof; and,
FIG. 7 is a rear view thereof.
All broken lines represent portions of the backpack frame that form no part of the claimed design.
Citations
This patent cites (44)
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