Doorknob

- Master Lock Company
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Description

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.

Claims

The ornamental design for a doorknob, as shown and described.

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Patent History
Patent number: D518353
Type: Grant
Filed: Mar 28, 2005
Date of Patent: Apr 4, 2006
Assignee: Master Lock Company (Oak Creek, WI)
Inventor: Mark Van Handel (Milwaukee, WI)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Jean E McCormick
Attorney: Calfee, Halter & Griswold LLP
Application Number: 29/226,389
Classifications
Current U.S. Class: D8/300; D8/305; D8/310