Portable Lighting Tower

FIG. 1 is a perspective view of a portable lighting tower.

FIG. 2 is a right side view thereof.

FIG. 3 is a left side view thereof.

FIG. 4 is a front view thereof.

FIG. 5 is a rear view thereof.

FIG. 6 is a top view thereof.

FIG. 7 is a bottom view thereof

FIG. 8 is another perspective view of a portable lighting tower, shown in a condition of use.

FIG. 9 is a right side view thereof.

FIG. 10 is a left side view thereof.

FIG. 11 is a front view thereof.

FIG. 12 is a rear view thereof.

FIG. 13 is a top view thereof.

FIG. 14 is a bottom view thereof.

FIG. 15 is another perspective view of a portable lighting tower, shown in a condition of use.

FIG. 16 is a right side view thereof.

FIG. 17 is a left side view thereof.

FIG. 18 is a front view thereof.

FIG. 19 is a rear view thereof.

FIG. 20 is a top view thereof.

FIG. 21 is a bottom view thereof.

FIG. 22 is another perspective view of a portable lighting tower, shown in a condition of use.

FIG. 23 is a right side view thereof.

FIG. 24 is a left view thereof.

FIG. 25 is a front view thereof.

FIG. 26 is a rear view thereof.

FIG. 27 is a top view thereof; and,

FIG. 28 is a bottom view thereof.

The evenly spaced dashed lines and the evenly spaced dotted lines in the drawings depict portions of the portable lighting tower that form no part of the claimed design.