Hammer drill
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The broken line showing of portions of the hammer drill in the drawings is included for illustrative purposes only and forms no part of the claimed design.
Claims
The ornamental design for a hammer drill, as shown and described.
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| D502377 | March 1, 2005 | Aglassinger |
| D555451 | November 20, 2007 | Okuda et al. |
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| 20110127056 | June 2, 2011 | Friedrich et al. |
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Type: Grant
Filed: Oct 28, 2011
Date of Patent: Aug 6, 2013
Assignee: Robert Bosch GmbH (Stuttgart)
Inventors: Axel Kuhnle (Freiberg A. N.), Carsten Diem (Ludwigsburg), Hans-Peter Aglassinger (Esslingen), Patrick Heinen (Ludwigsburg)
Primary Examiner: Darlington Ly
Application Number: 29/405,067