Patent
   D506665
Priority
Aug 15 2003
Filed
Dec 03 2003
Issued
Jun 28 2005
Expiry
Jun 28 2019
Assg.orig
Entity
unknown
10
12
n/a
The ornamental design for a doorknob, as shown and described.

FIG. 1 is a perspective view of a doorknob of the subject design;

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, the right side elevational view being symmetric to the left side elevational view; and,

FIG. 5 is a top plan view thereof, the bottom plan view being symmetric to the top plan view.

Sun, Chia Min, Yang, Ju Lin

Patent Priority Assignee Title
10890015, Sep 21 2018 KNOX ASSOCIATES, INC DBA KNOX COMPANY Electronic lock state detection systems and methods
11598121, Sep 21 2018 KNOX Associates, Inc. Electronic lock state detection systems and methods
D522844, May 19 2005 DECOLIN INC End cap for support rod
D522845, Jun 17 2005 DECOLIN INC End cap for support rod
D522846, Jun 17 2005 DECOLIN INC End cap for support rod
D522847, Jun 17 2005 DECOLIN INC End cap for support rod
D525115, May 19 2005 DECOLIN INC End cap for support rod
D542115, Jan 09 2004 ROYAL BANK OF CANADA Door knob
D567624, Apr 02 2007 Nova Wildcat Amerock, LLC Knob
D633660, Jan 27 2010 End piece for a riding aid
Patent Priority Assignee Title
105146,
173850,
179220,
179458,
179679,
182623,
186083,
199922,
225393,
43534,
D454049, Feb 08 2001 ROYAL BANK OF CANADA Combined door knob and rose
D492887, Mar 07 2003 Taiwan Fu Hsing Industrial Co., Ltd Knob
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 17 2003SUN, CHIA MINTUNG LUNG METAL INDUSTRY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0147590993 pdf
Nov 17 2003YANG, JU LINTUNG LUNG METAL INDUSTRY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0147590993 pdf
Dec 03 2003Tung Lung Metal Industry Co., Ltd.(assignment on the face of the patent)
Aug 15 2005Master Lock CompanyMaster Lock Company LLCCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0184200873 pdf
Jan 10 2006TONG LUNG METAL INDUSTRY CO , LTD Master Lock Company, LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0169960488 pdf
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