Combination lock
Description
Claims
The ornamental design for a combination lock, as shown and described.
Referenced Cited
U.S. Patent Documents
3750431 | August 1973 | Atkinson |
4444029 | April 24, 1984 | Remington |
D477209 | July 15, 2003 | Yu et al. |
D477525 | July 22, 2003 | Ling |
D483647 | December 16, 2003 | Lo |
D495580 | September 7, 2004 | Ho |
D498132 | November 9, 2004 | Lai |
6877345 | April 12, 2005 | Misner et al. |
6880370 | April 19, 2005 | Yu |
D505853 | June 7, 2005 | Ling et al. |
D535548 | January 23, 2007 | Lin |
7251967 | August 7, 2007 | Yang |
Patent History
Patent number: D642893
Type: Grant
Filed: Dec 28, 2010
Date of Patent: Aug 9, 2011
Inventor: Yao Kun Yang (Chang-Hua County)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/382,003
Type: Grant
Filed: Dec 28, 2010
Date of Patent: Aug 9, 2011
Inventor: Yao Kun Yang (Chang-Hua County)
Primary Examiner: Prabhakar Deshmukh
Application Number: 29/382,003
Classifications
Current U.S. Class:
D8/334