Drill bit with tapered waterway

- Longyear TM, Inc.
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Description

FIG. 1 is a perspective view of a drill bit with tapered waterway; and,

FIG. 2 is a top plan view of the drill bit with tapered waterway shown in FIG. 1.

The phantom, broken lines shown in the drawings form part of the design that is not claimed herein.

Claims

The ornamental design for a drill bit with tapered waterway, as shown and described.

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Patent History
Patent number: D647114
Type: Grant
Filed: Jan 26, 2010
Date of Patent: Oct 18, 2011
Assignee: Longyear TM, Inc. (South Jordan, UT)
Inventors: Cody A. Pearce (Midvale, UT), Michael D. Rupp (Murray, UT), Christian M. Lambert (Draper, UT)
Primary Examiner: Patricia Palasik
Attorney: Workman Nydegger
Application Number: 29/354,586
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)