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The ornamental design for a retractable knife, as shown and described. |
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FIG. 1 is a perspective view of the retractable knife showing my new design with the blade shown retracted;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a perspective view of the retractable knife showing my new design with the blade shown extended;
FIG. 9 is a top plan view thereof;
FIG. 10 is a front elevational view thereof;
FIG. 11 is a right side elevational view thereof;
FIG. 12 is a left side elevational view thereof;
FIG. 13 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 18 1984 | OSTERHOUT, RALPH F | TEKNA, A CORP OF CA | ASSIGNMENT OF ASSIGNORS INTEREST | 004292 | /0267 | |
| Jul 24 1984 | Tekna | (assignment on the face of the patent) | / |
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