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The ornamental design for a film spool, as shown and described. |
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FIG. 1 is a perspective view of a film spool showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof, the opposite side being a mirror image of the side shown;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top view thereof; and
FIG. 6 is a bottom view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 28 1977 | Minnesota Mining and Manufacturing Company | (assignment on the face of the patent) | / |
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