Internal riser rotating control head

Details for Australian Patent Application No. 2003257520 (hide)

International Classifications

Event Publications

6 November 2003 Complete Application Filed

Priority application(s): 10/281534 28.10.02 US

13 May 2004 Application Open to Public Inspection

Published as AU-B-2003257520

23 September 2010 Application Accepted

Published as AU-B-2003257520

20 January 2011 Standard Patent Sealed

17 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

25 October 2012 Section 223 Application Received

Weatherford/Lamb, Inc. An application to extend the time from 22 Oct 2011 to 22 Oct 2012 in which to pay a renewal fee has been filed . Address for service in Australia - Griffith Hack GPO Box 1285 Melbourne VIC 3001

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