The ornamental design for a heatingvest, as shown and described.
A portion of the disclosure of this patent document contains material which is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyright rights whatsoever.
FIG. 1 is a perspective front view of a heating vest showing my new design;
FIG. 2 is another front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a right side view thereof; and,
FIG. 5 is a left side view thereof.
The broken lines in the drawings depict portions of the heating vest that form no part of the claimed design.