USD677138SActiveUtility

Portable electric hammer drill

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Assignee: YAMAMOTO YUJIPriority: Mar 16, 2011Filed: Jul 14, 2011Granted: Mar 5, 2013
Est. expiryMar 16, 2031(~4.7 yrs left)· nominal 20-yr term from priority
Inventors:Yuji YamamotoShinji OnodaHitoshi Iida
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PatentIndex Score
8
Cited by
22
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable electric hammer drill, as shown and described.

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