Masonry drill bit
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The portions included in the broken line boxes/cubes in the drawings depicted in broken line format form no part of the claimed design.
Claims
The ornamental design for a masonry drill bit, as shown and described.
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Type: Grant
Filed: Jul 24, 2012
Date of Patent: Feb 24, 2015
Assignee: Heller Tools GmbH (Dinklage)
Inventors: Rainer Lampe (Dinklage), Heinrich Kersten (Verden)
Primary Examiner: Patricia Palasik
Application Number: 29/427,978