Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 15, 2015
Patent Application Number
13309389
Date Filed
December 1, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
A drill bit configured for boring holes or wells into the earth, the drill bit having a face and a plurality of zones, the drill bit having geometrically sharp inserts located in an inner zone and non-geometrically sharp inserts located in an outer zone.
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