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The ornamental design for a document file, substantially as shown and described. |
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FIG. 1 is a perspective view of a document file showing my new design;
FIG. 2 is a front elevational view;
FIG. 3 is a rear elevational view;
FIG. 4 is a top plan view;
FIG. 5 is a bottom plan view; and
FIG. 6 is a side elevational view.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 20 1980 | CRUTCHFIELD E BRYANT | MEAD CORPORATION THE, A CORP F OH | ASSIGNMENT OF ASSIGNORS INTEREST | 003833 | /0104 | |
| Oct 31 1980 | The Mead Corporation | (assignment on the face of the patent) | / | |||
| Oct 28 1988 | DURASTONE COMPANY, INC | DURASTONE COMPANIES, THE, A CORP OF RI | NUNC PRO TUNC ASSIGNMENT SEE DOCUMENT FOR DETAILS | 005185 | /0300 |
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