Portable electric hammer drill
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
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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