Claims (1)
Claim 1 (Independent)
The ornamental design for a doorknob, as shown and described.
Full Description
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FIG. 1 is a top, front, right side perspective view of a doorknob;
FIG. 2 is a front view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a rear view thereof.
All broken lines illustrate portions of the doorknob that form no part of the claimed design.
Citations
This patent cites (15)
- USD179220
- USD179458
- USD180818
- US2967728
- US3024555
- USD199924
- US3434752
- USD280073
- US5074607
- US5411303
- USD454049
- USD492887
- USD548038
- USD691447
- USD986025