Sound amplifier
Description
Broken lines are included herein for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design of a sound amplifier, as shown and described.
Referenced Cited
U.S. Patent Documents
D67521 | June 1925 | Herman |
D392640 | March 24, 1998 | Tully et al. |
D519491 | April 25, 2006 | Allen |
D530319 | October 17, 2006 | Sarasjoki et al. |
D623501 | September 14, 2010 | Blonder |
D651193 | December 27, 2011 | Chang |
D656479 | March 27, 2012 | Lin |
8256568 | September 4, 2012 | Lin |
D677650 | March 12, 2013 | Bosa |
D684142 | June 11, 2013 | Sun et al. |
D691116 | October 8, 2013 | Ponce |
D691125 | October 8, 2013 | Cheon et al. |
D700903 | March 11, 2014 | Hoffman et al. |
D714282 | September 30, 2014 | Cheon |
Patent History
Patent number: D738847
Type: Grant
Filed: Aug 12, 2014
Date of Patent: Sep 15, 2015
Inventors: Gwan Woo Park (Seoul), Jae Hyung Byun (Seoul)
Primary Examiner: Sandra Morris
Application Number: 29/499,108
Type: Grant
Filed: Aug 12, 2014
Date of Patent: Sep 15, 2015
Inventors: Gwan Woo Park (Seoul), Jae Hyung Byun (Seoul)
Primary Examiner: Sandra Morris
Application Number: 29/499,108
Classifications