USD677139SActiveUtility

Attachment for portable hammer drill

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

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Claims

exact text as granted — not AI-modified

The ornamental design for an attachment for portable hammer drill, as shown and described.

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