Backpack

FIG. 1 shows a front perspective view of a backpack;

FIG. 2 shows a front elevation view of the backpack of FIG. 1 ;

FIG. 3 shows a rear elevation view of the backpack of FIG. 2 ;

FIG. 4 shows a right elevation view of the backpack of FIG. 1 ;

FIG. 5 shows a left elevation view of the backpack of FIG. 1 ;

FIG. 6 shows a top view of the backpack of FIG. 1 ; and,

FIG. 7 shows a bottom view of the backpack of FIG. 1 .

The broken lines in FIGS. 1 - 7 illustrate portions of the backpack that form no part of the claimed design.