The ornamental design for a pantagraph-form jack, as shown and described.
Description:
FIG. 1 is a front and left side perspective view of a pantagraph-form jack showing my new design, the opposite side being a mirror image of that shown;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof.
FIG. 4 is a cross-sectional view thereof taken along lines IV--IV of FIG. 3;
