The ornamental design for a vehicularportableelectricheater and window defroster kit, as shown and described.
FIG. 1 is a front elevation view of a vehicular portable electric heater and window defroster kit showing my new design, the portable electric heater and the window defroster separated for clarity;
FIG. 2 is a rear elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is an isometric view thereof. The broken away symbols in the drawings indicate that any portion of the article beyond what is shown forms no part of the claimed design. The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design.