Portable Vacuum Pump

FIG. 1 is a front, top perspective view of a portable vacuum pump, showing my new design;

FIG. 2 is a rear, bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a right-side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The dashed lines in the figures illustrate portions of the portable vacuum pump, that form no part of the claimed design.