Drill string chuck

Details for Australian Patent Application No. 2002301549 (hide)

Owner Boart Longyear International Holdings Inc.

Inventors Stephens, John Thomas

Agent Blake Dawson Waldron Patent Services

Pub. Number AU-B-2002301549

Priority 10/066237 26.10.01 US

Filing date 21 October 2002

Wipo publication date 12 June 2003

Acceptance publication date 8 November 2007

International Classifications

B23B 31/30 (2006.01) Chucks

E21B 12/00 (2006.01) Accessories for drilling tools

Event Publications

12 June 2003 Application Open to Public Inspection

  Published as AU-B-2002301549

8 November 2007 Application Accepted

  Published as AU-B-2002301549

20 March 2008 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 06 Feb 2008. Address for service in Australia - Blake Dawson Patent Attorneys Level 36 Grosvenor Place 225 George Street Sydney NSW 2000

20 March 2008 Standard Patent Sealed

24 July 2008 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 06 Feb 2008

22 March 2012 Assignment Registered

  Boart Longyear International Holdings Inc. The patent has been assigned to Longyear TM, Inc. 2002343120 2011 Intellectual Property Asset Trust The patent has been assigned to Core Wireless Licensing S.a.r.l. 2002358489 2011 Intellectual Property Asset Trust The patent has been assigned to Core Wireless Licensing S.a.r.l. 2003201049 2011 Intellectual Property Asset Trust The patent has been assigned to Core Wireless Licensing S.a.r.l. Assignments Registered 2003216764 2011 Intellectual Property Asset Trust

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