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The ornamental design for a jack base, as shown and described. |
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FIG. 1 is a perspective view of the jack base of the present invention;
FIG. 2 is a side elevation of the jack base. The opposite side elevation is identical to FIG. 2;
FIG. 3 is a front elevation of the jack base. The rear elevation is identical FIG. 3;
FIG. 4 is a top plan view of the jack base; and,
FIG. 5 is a bottom plan view of the jack base.
Simpson, Patrick F., Harrah, Eric A.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 03 2000 | Bloomfield Manufacturing Company, Inc. | (assignment on the face of the patent) | / |
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