Door lock with security key code
Description
Claims
The ornamental design for a door lock with security key code, as shown and described.
Referenced Cited
U.S. Patent Documents
4979383 | December 25, 1990 | Tully |
5475996 | December 19, 1995 | Chen |
D365976 | January 9, 1996 | Chiu |
D429139 | August 8, 2000 | Ahn |
6145353 | November 14, 2000 | Doucet |
6286347 | September 11, 2001 | Frolov |
D470033 | February 11, 2003 | Fleury et al. |
6733050 | May 11, 2004 | Yao |
D501388 | February 1, 2005 | Carpintero |
6935149 | August 30, 2005 | Peng et al. |
D527608 | September 5, 2006 | Antkowiak et al. |
D533763 | December 19, 2006 | Wright et al. |
Patent History
Patent number: D545662
Type: Grant
Filed: May 30, 2006
Date of Patent: Jul 3, 2007
Inventor: Xianhao Lu (Guangzhou)
Primary Examiner: Paula A. Greene
Attorney: Global IP Services
Application Number: 29/247,090
Type: Grant
Filed: May 30, 2006
Date of Patent: Jul 3, 2007
Inventor: Xianhao Lu (Guangzhou)
Primary Examiner: Paula A. Greene
Attorney: Global IP Services
Application Number: 29/247,090
Classifications
Current U.S. Class:
D8/302;
D8/308;
D8/330