FIG. 1 is a back perspective view of the backpack according to a first embodiment of the present invention, with a strap shown in phantom forming no part of the first embodiment of the invention and wherein line shading and stippling are used in different areas in the drawing to show the appearance of contrasting surfaces, unlimited by colors and specific materials;
FIG. 2 is a front perspective view according to the first embodiment thereof, with a strap shown in phantom forming no part of the first embodiment of the invention and wherein line shading and stippling are used in different areas in the drawing to show the appearance of contrasting surfaces, unlimited by colors and specific materials;
FIG. 3 is a rear view according to the first embodiment thereof, with a strap shown in phantom forming no part of the first embodiment of the invention and wherein line shading and stippling are used in different areas in the drawing to show the appearance of contrasting surfaces, unlimited by colors and specific materials;
FIG. 4 is a rear view according to the first embodiment thereof wherein line shading and stippling are used in different areas in the drawing to show the appearance of contrasting surfaces, unlimited by colors and specific materials;
FIG. 5 is a front view according to the first embodiment thereof with a strap shown in phantom forming no part of the first embodiment of the invention and wherein line shading and stippling are used in different areas in the drawing to show the appearance of contrasting surfaces, unlimited by colors and specific materials;
FIG. 6 is a left side view according to the first embodiment thereof with a strap shown in phantom forming no part of the first embodiment of the invention and wherein line shading and stippling are used in different areas in the drawing to show the appearance of contrasting surfaces, unlimited by colors and specific materials;
FIG. 7 is a right side view according to the first embodiment thereof with a strap shown in phantom forming no part of the first embodiment of the invention and wherein line shading and stippling are used in different areas in the drawing to show the appearance of contrasting surfaces, unlimited by colors and specific materials;
FIG. 8 is a top view according to the first embodiment thereof with a strap shown in phantom forming no part of the first embodiment of the invention and wherein line shading and stippling are used in different areas in the drawing to show the appearance of contrasting surfaces, unlimited by colors and specific materials;
FIG. 9 is a bottom view according to the first embodiment thereof with a strap shown in phantom forming no part of the first embodiment of the invention and wherein line shading and stippling are used in different areas in the drawing to show the appearance of contrasting surfaces, unlimited by colors and specific materials;
FIG. 10 a back perspective view of the backpack according to a second embodiment of the present invention, with a strap shown in phantom forming no part of the second embodiment of the invention;
FIG. 11 is a front perspective view of the backpack according to the second embodiment thereof, with a strap shown in phantom forming no part of the second embodiment of the invention;
FIG. 12 is a back view of the backpack according to the second embodiment thereof, with a strap shown in phantom forming no part of the second embodiment of the invention;
FIG. 13 is a back view of the backpack according to a second embodiment thereof;
FIG. 14 is a front view according to the second embodiment thereof with a strap shown in phantom forming no part of the second embodiment of the invention;
FIG. 15 is a left view according to the second embodiment thereof with a strap shown in phantom forming no part of the second embodiment of the invention;
FIG. 16 is a right view according to the second embodiment thereof with a strap shown in phantom forming no part of the second embodiment of the invention;
FIG. 17 is a top view according to the second embodiment thereof with a strap shown in phantom forming no part of the second embodiment of the invention; and,
FIG. 18 is a bottom view according to the second embodiment thereof with a strap shown in phantom forming no part of the second embodiment of the invention.
Broken lines within the Figures are shown for purposes of illustrating portions of the backpack that form no part of the claimed design.