Backpack

FIG. 1 is a front perspective view of a backpack, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a front perspective view showing the backpack in an unfolded state;

FIG. 10 is a rear perspective view showing the backpack in an unfolded state; and,

FIG. 11 is a right side view showing the backpack in an unfolded state.

The broken lines in the drawings illustrate the portions of the backpack, which form no part of the claimed design.