Down-the-hole drill drive coupling

Details for Australian Patent Application No. 2012203653 (hide)

Owner Center Rock Inc.

Inventors Lyon, Leland H.

Agent Pizzeys

Pub. Number AU-B-2012203653

Parent 2009231791

Filing date 22 June 2012

Wipo publication date 12 July 2012

Acceptance publication date 12 July 2012

International Classifications

E21B 17/046 Drilling rods or pipes

Event Publications

12 July 2012 Complete Application Filed

12 July 2012 Application Accepted

  Published as AU-B-2012203653

9 August 2012 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 02 Jul 2012 . Address for service in Australia - Pizzeys Patent and Trade Mark Attorneys Level 20 324 Queen Street Brisbane QLD 4000

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