The ornamental design for a portablecarportframe, as shown and described.
FIG. 1 is a side perspective view showing my new design of a portable
carport frame, and being attached to an illustrative automobile, which is
indicated in dashed lines and forms no part of the claimed invention;
FIG. 2 is a front view of the design shown in FIG. 1; and,
FIG. 3 is a top view of the design shown in FIG. 1;
The present invention is symmetrical, with the left view being similar to
the right view, and the back view being similar to the front view. A
cover, indicated in dashed lines, is shown attached to the invention in
FIGS. 1 and 3, and forms no part of the claimed invention.