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The ornamental design for doorknob, as shown and described. |
FIG. 1 is a perspective view of doorknob showing my new design thereof;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Patent | Priority | Assignee | Title |
D443194, | Aug 13 1999 | SPECTRUM BRANDS, INC ; Kwikset Corporation | Cylinder portion of a lever-type lockset |
D443808, | Aug 13 1999 | ROYAL BANK OF CANADA | Cylinder portion of a lever-type lockset |
D520331, | Sep 09 2004 | Schlage Lock Company | Door lever shank |
D537702, | Nov 23 2005 | Schlage Lock Company | Door lever |
D541620, | Nov 03 2005 | Schlage Lock Company | Door lever |
D543435, | Nov 03 2005 | Schlage Lock Company | Door lever |
D582246, | Dec 26 2007 | BEST ACCESS SOLUTIONS, INC | Door lever |
D806514, | Oct 07 2014 | ASSA ABLOY AMERICAS RESIDENTIAL INC | Push-button for door lever/handle |
D889245, | Jul 20 2018 | Carrier Corporation | Locking device |
D920076, | Jul 20 2018 | Carrier Corporation | Locking device |
Patent | Priority | Assignee | Title |
4838053, | Mar 21 1988 | Heavy-duty panic proof lock unit | |
5177987, | Jul 12 1991 | I-TEK METAL MANUFACTURING CO , LTD | Key-in-lever type door lock used for handicapped people |
5364139, | Aug 10 1990 | Newfrey LLC | Door latch assembly |
5481890, | Mar 11 1993 | Cylindrical lockset knob to lever conversion assembly | |
5484179, | Dec 27 1993 | Schlage Lock Company LLC; Von Duprin LLC | Failsafe electric locking lever trim |
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