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US Patent D872142 Drill bit for a down-the-hole drill hammer

Patent D872142 was granted and assigned to Center Rock on January, 2020 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

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Patent

Patent attributes

Patent Applicant

Center Rock

Current Assignee

Center Rock

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D872142

Patent Inventor Names

Leland H. Lyon0

Date of Patent

January 7, 2020

Patent Application Number

29622653

Date Filed

October 18, 2017

Patent Citations Received

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US Patent D1026982 Cutting tool

Patent Primary Examiner

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Patricia A Palasik

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