|
The ornamental design for a doorknob, as shown. |
|||||||||||||||||
FIG. 1 is a front view of the doorknob.
FIG. 2 is a lower side view of the doorknob.
FIG. 3 is a right side view of the doorknob.
FIG. 4 is a left side view the doorknob.
FIG. 5 is a top side view of the doorknob; and,
FIG. 6 is a back view of the doorknob.
| Patent | Priority | Assignee | Title |
| D511085, | Sep 16 2004 | ROYAL BANK OF CANADA | Cover for electrical outlets |
| D518353, | Apr 14 2004 | Master Lock Company LLC | Doorknob |
| D519022, | Sep 17 2004 | ROYAL BANK OF CANADA | Deadbolt |
| D519822, | Sep 17 2004 | ROYAL BANK OF CANADA | Lever |
| D527976, | Sep 16 2004 | ROYAL BANK OF CANADA | Handleset escutcheon |
| D530593, | Sep 16 2004 | ROYAL BANK OF CANADA | Knob |
| D533429, | Sep 16 2004 | ROYAL BANK OF CANADA | Handleset grip |
| D565927, | Apr 20 2007 | LIBERTY HARDWARE MFG CORP | Knob |
| D566516, | Oct 26 2006 | JUAN JOSE VERGES, S A | Handle |
| D579750, | May 04 2007 | Crofts & Assinder Limited | Furniture knob |
| D580735, | Aug 15 2007 | Crofts & Assinder Limited | Furniture knob |
| D580736, | May 04 2007 | Crofts & Assinder Limited | Furniture knob |
| D584127, | May 04 2007 | Crofts & Assinder Limited | Furniture knob |
| D633364, | Jun 22 2010 | TOP KNOBS USA, INC ; Hardware Resources, Inc | Cabinet knob |
| Patent | Priority | Assignee | Title |
| 137133, | |||
| 145236, | |||
| 231315, | |||
| 53868, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |