Hammer drill
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Description
The broken lines are for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for a hammer drill, as shown and described.
Referenced Cited
Patent History
Patent number: D645316
Type: Grant
Filed: Jun 10, 2010
Date of Patent: Sep 20, 2011
Assignee: Black & Decker Inc. (Newark, DE)
Inventor: Thomas Murray (Baltimore, MD)
Primary Examiner: Antoine D Davis
Attorney: Bruce S. Shapiro
Application Number: 29/363,494
Type: Grant
Filed: Jun 10, 2010
Date of Patent: Sep 20, 2011
Assignee: Black & Decker Inc. (Newark, DE)
Inventor: Thomas Murray (Baltimore, MD)
Primary Examiner: Antoine D Davis
Attorney: Bruce S. Shapiro
Application Number: 29/363,494
Classifications
Current U.S. Class:
D8/68