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The ornamental design for a door knob, substantially as shown and described. |
FIG. 1 is a reduced perspective view of a door knob showing our new design, the raised pattern which is partially shown is understood to repeat uniformly around the perimeter of the face and the rosette which is shown in broken lines is for illustrative purposes only;
FIG. 2 is a side elevational view of FIG. 1;
FIG. 3 is a front elevational view of FIG. 1;
FIG. 4 is a transverse sectional view of FIG. 1;
FIG. 5 is a side elevational view of a second embodiment of the design of FIG. 1, the only difference being addition of a lock button;
FIG. 6 is a reduced perspective view of a third embodiment of the design of FIG. 1, the only difference being the omission of peripheral grooves and, again, the raised pattern being understood to repeat uniformly around the face;
FIG. 7 is a side elevational view of FIG. 6.
Munro, Harold F., Wansbrough, Brian
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 18 1980 | Gainsborough Hardware Industries Pty. Limited | (assignment on the face of the patent) | / |
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