Drill bit for a down-the-hole drill hammer

- Center Rock Inc.
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Description

FIG. 1 is a perspective view of a drill bit in accordance with the new design;

FIG. 2 is a bottom plan view of the drill bit of FIG. 1;

FIG. 3 is a right side elevation view of the drill bit of FIG. 1;

FIG. 4 is a front side elevation view of the drill bit of FIG. 1;

FIG. 5 is a left side elevation view of the drill bit of FIG. 1; and,

FIG. 6 is a rear side elevation view of the drill bit of FIG. 1.

The broken lines in FIGS. 1-6 illustrate portions of the drill bit which form no part of the claimed design.

Claims

The ornamental design for a drill bit for a down-the-hole drill hammer, as shown and described.

Referenced Cited
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Patent History
Patent number: D872142
Type: Grant
Filed: Oct 18, 2017
Date of Patent: Jan 7, 2020
Assignee: Center Rock Inc. (Berlin, PA)
Inventor: Leland H. Lyon (Roanoke, VA)
Primary Examiner: Patricia A Palasik
Application Number: 29/622,653
Classifications