FIG. 1 is a top and rear perspective view of the portable air pump showing our new design;
FIG. 2 is a back and right side perspective view of the portable air pump in FIG. 1;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a left side view thereof;
FIG. 8 is a right side view thereof;
FIG. 9 is a top and rear perspective view of the portable air pump showing a second embodiment of our new design;
FIG. 10 is a back and right side perspective view of the portable air pump in FIG. 9;
FIG. 11 is a top view of FIG. 9;
FIG. 12 is a bottom view of FIG. 9;
FIG. 13 is a front view of FIG. 9;
FIG. 14 is a rear view of FIG. 9;
FIG. 15 is a left side view of FIG. 9;
FIG. 16 is a right side view of FIG. 9;
FIG. 17 is a top and rear perspective view of the portable air pump showing a third embodiment of our new design;
FIG. 18 is a back and right side perspective view of the portable air pump in FIG. 17;
FIG. 19 is a top view of FIG. 17;
FIG. 20 is a bottom view of FIG. 17;
FIG. 21 is a front view of FIG. 17;
FIG. 22 is a rear view of FIG. 17;
FIG. 23 is a left side view of FIG. 17; and,
FIG. 24 is a right side view of FIG. 17.
The broken line illustration of environmental structures in the drawings are not part of the design sought to be patented.