Portable electric hammer drill
Latest Hitachi Koki Co., Ltd. Patents:
Description
The broken lines represent the portions of the design that form no part of the claim.
Claims
The ornamental design for a portable electric hammer drill, as shown and described.
Referenced Cited
U.S. Patent Documents
D342878 | January 4, 1994 | Watanabe et al. |
D343105 | January 11, 1994 | Shibata et al. |
D406741 | March 16, 1999 | Zurwelle |
D466779 | December 10, 2002 | Shibata et al. |
D527969 | September 12, 2006 | Okada et al. |
D540135 | April 10, 2007 | Okuda |
D567614 | April 29, 2008 | Okuda |
D592478 | May 19, 2009 | Wright |
D617168 | June 8, 2010 | Yamamoto et al. |
D631721 | February 1, 2011 | Aglassinger |
20060291966 | December 28, 2006 | Klemm et al. |
20070125565 | June 7, 2007 | Etter et al. |
20090056967 | March 5, 2009 | Sell et al. |
Patent History
Patent number: D719428
Type: Grant
Filed: Jun 13, 2013
Date of Patent: Dec 16, 2014
Assignee: Hitachi Koki Co., Ltd. (Minato-Ku, Tokyo)
Inventors: Yoshiki Aoki (Ibaraki), Masanori Okada (Ibaraki), Hideki Yamada (Ibaraki)
Primary Examiner: Philip S Hyder
Assistant Examiner: Darlington Ly
Application Number: 29/457,866
Type: Grant
Filed: Jun 13, 2013
Date of Patent: Dec 16, 2014
Assignee: Hitachi Koki Co., Ltd. (Minato-Ku, Tokyo)
Inventors: Yoshiki Aoki (Ibaraki), Masanori Okada (Ibaraki), Hideki Yamada (Ibaraki)
Primary Examiner: Philip S Hyder
Assistant Examiner: Darlington Ly
Application Number: 29/457,866
Classifications
Current U.S. Class:
D8/68