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The ornamental design for a doorknob, as shown and described.
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FIG. 1 is a rear elevational view of a doorknob of the new design;
FIG. 2 is a top plan view of the doorknob of FIG. 1;
FIG. 3 is a front elevational view of the doorknob of FIG. 1;
FIG. 4 is a perspective view of the doorknob of FIG. 1;
FIG. 5 is a rear elevational view of a second embodiment of a doorknob of the new design;
FIG. 6 is a top plan view of the doorknob of FIG. 5;
FIG. 7 is a front elevational view of the doorknob of FIG. 5; and,
FIG. 8 is a perspective view of the doorknob of FIG. 5.
The portions of the Figures shown in phantom lines are not part of the claimed design but are for illustration purposes only.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 28 2005 | Master Lock Company | (assignment on the face of the patent) | / | |||
Aug 15 2005 | Master Lock Company | Master Lock Company LLC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 018420 | /0873 |
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