Jack base

Description

FIG. 1 is a perspective view of a jack base showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is an enlarged left view thereof;

FIG. 5 is an enlarged right view thereof;

FIG. 6 is an enlarged top view thereof;

FIG. 7 is an enlarged bottom view thereof; and,

FIG. 8 is a partially enlarged view of FIG. 5.

The broken lines shown on the drawings depict portions of the jack base that form no part of the claimed design. The additional broken lines in FIGS. 5 and 8 are to show enlarged areas and form no part of the claimed design.

Claims

The ornamental design for a jack base, as shown and described.