USD641604SActiveUtility

Hammer drill

60
Assignee: BLACK & DECKER INCPriority: Aug 12, 2010Filed: Feb 7, 2011Granted: Jul 19, 2011
Est. expiryAug 12, 2030(~4.1 yrs left)· nominal 20-yr term from priority
Inventors:Michael Stirm
60
PatentIndex Score
10
Cited by
10
References
1
Claims

Claims

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

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