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The ornamental design for jack, as shown. |
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FIG. 1 is a perspective of a jack embodying our new design;
FIG. 2 is a right side elevation thereof;
FIG. 3 is a front elevation thereof;
FIG. 4 is a left side elevation thereof;
FIG. 5 is a rear elevation thereof;
FIG. 6 is a top plan thereof; and,
FIG. 7 is a bottom plan thereof.
Hulegaard, Trueman L., Titterud, Curtiss W.
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