Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mike Wardley0
Date of Patent
May 15, 2007
Patent Application Number
10168676
Date Filed
December 21, 2000
Patent Citations Received
Patent Primary Examiner
Patent abstract
A drill bit for drilling casing in a well bore. The drill bit is constructed from a combination of relatively soft and relatively hard materials. The proportions of the materials are selected such that the drill bit provides suitable cutting and boring of the well bore while being able to be drilled through by a subsequent drill bit. Methods of applying hard materials to a soft material body are provided.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
