Masonry drill bit

- Heller Tools GmbH

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Description

FIG. 1 is a front view of a complete masonry drill bit with a main cutting insert and with an auxiliary cutting insert bearing the design;

FIG. 2 is a back view of the masonry drill bit of FIG. 1;

FIG. 3 is a left view of the masonry drill bit of FIG. 1;

FIG. 4 is a right view of the masonry drill bit of FIG. 1;

FIG. 5 is a top view of the masonry drill bit of FIG. 1;

FIG. 6 is a bottom view of the masonry drill bit of FIG. 1;

FIG. 7 is a first enlarged detail perspective view of the masonry drill bit of FIG. 1;

FIG. 8 is a second enlarged detail perspective view of the masonry drill bit of FIG. 1; and,

FIG. 9 is a third enlarged detail perspective view of the masonry drill bit of FIG. 1.

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.

Referenced Cited
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Patent History
Patent number: D723076
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
Classifications