Method for forming a window in a tubular and apparatus for use in said method

Details for Australian Patent Application No. 2003203949 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Langford, Dale Elliot; Halford, Hubert Eugene; Blizzard, William Allen

Agent Freehills

Pub. Number AU-B-2003203949

Parent 18298

Filing date 30 April 2003

Wipo publication date 12 June 2003

Acceptance publication date 2 February 2006

International Classifications

E21B 29/06 (2006.01) Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

Event Publications

22 May 2003 Complete Application Filed

12 June 2003 Application Open to Public Inspection

  Published as AU-B-2003203949

3 July 2003 Amendment Made

  The nature of the amendment is: Deleted the co-inventor John Alexander Duke

12 August 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

1 September 2005 Section 223 Application Received

  Weatherford/Lamb, Inc. An application to extend the time from 24 Jan 2004 to 24 May 2005 in which to pay a continuation fee has been filed . Address for service in Australia - Freehills Patent & Trade Mark Attorneys Level 43 101 Collins Street Melbourne VIC 3000

27 October 2005 Section 223 Application Allowed

  Weatherford/Lamb, Inc. The time in which to pay a continuation fee has been extended to 24 May 2005. Address for service in Australia - Freehills Patent & Trade Mark Attorneys Level 43 101 Collins Street Melbourne VIC 3000

2 February 2006 Application Accepted

  Published as AU-B-2003203949

1 June 2006 Standard Patent Sealed

1 June 2006 Corrigenda

  Applications Accepted - Name Index Under the name Weatherford/Lamb, Inc., Application No. 2003203949, under INID (71) correct the name to read Weatherford/Lamb, Inc

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