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The ornamental design for a dust mop frame, as shown and described. |
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FIG. 1 is a top, front and left side perspective view of a dust mop frame showing my new design;
FIG. 2 is a left side elevational view thereof, the right side being a mirror image;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The mop yarn shown in broken lines in the drawings is for illustrative purposes only and forms no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 14 1992 | BERTI, ENZO | LIBMAN COMPANY, THE, AN IL CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 006021 | /0342 | |
| Jan 27 1992 | The Libman Company | (assignment on the face of the patent) | / |
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