Demolition hammer
Description
Claims
The ornamental design for a demolition hammer, as shown and described.
Referenced Cited
U.S. Patent Documents
5850650 | December 22, 1998 | Karsnia |
D507167 | July 12, 2005 | Richardson |
D562101 | February 19, 2008 | Martone |
D567620 | April 29, 2008 | Martone |
D572106 | July 1, 2008 | Chen |
D577978 | October 7, 2008 | Chen |
D588894 | March 24, 2009 | Chen |
D595555 | July 7, 2009 | Vanderbeek |
8117702 | February 21, 2012 | Woolley |
D752940 | April 5, 2016 | Deng |
9670042 | June 6, 2017 | Liou |
D821841 | July 3, 2018 | Honadel |
20080072714 | March 27, 2008 | Chen |
Patent History
Patent number: D834910
Type: Grant
Filed: Jul 10, 2017
Date of Patent: Dec 4, 2018
Inventor: Ruqian Zhang (Xiaoshan Hangzhou)
Primary Examiner: Philip S Hyder
Application Number: 29/610,142
Type: Grant
Filed: Jul 10, 2017
Date of Patent: Dec 4, 2018
Inventor: Ruqian Zhang (Xiaoshan Hangzhou)
Primary Examiner: Philip S Hyder
Application Number: 29/610,142
Classifications
Current U.S. Class:
D8/81