Patent
   D379916
Priority
Jun 05 1995
Filed
Jun 05 1995
Issued
Jun 17 1997
Expiry
Jun 17 2011
Assg.orig
Entity
unknown
10
5
n/a
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.

Chung, Tien-Ho

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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