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The ornamental design for a writing instrument, substantially as shown and described. |
FIG. 1 is a front elevational view of a writing instrument showing my new design, shown with the writing point extended;
FIG. 2 is a front elevational view similar to FIG. 1, shown with the writing point retracted;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is a perspective view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 23 1979 | S. T. Dupont | (assignment on the face of the patent) | / |
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