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I claim the ornamental design for the portable roof lifting apparatus, as shown and described. |
FIG. 1 is a perspective view of the portable roof lifting apparatus showing my design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevation thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a back elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
The cord is broken away on the end indicating indefinite length.
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