Improved stuffing box for pump drive head of oil well

Details for Australian Patent Application No. 2005339095 (hide)

Owner SAI Hydraulics, Inc.

Inventors Pecorari, Pietro; Pecorari, Mariano

Agent Acumen Intellectual Property

Pub. Number AU-A-2005339095

PCT Pub. Number WO2007/069282

Filing date 14 December 2005

Wipo publication date 21 June 2007

International Classifications

E21B 33/08 (2006.01) Sealing or packing boreholes or wells

Event Publications

24 July 2008 PCT application entered the National Phase

  PCT publication WO2007/069282 Priority application(s): WO2007/069282

24 June 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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