HYDRAULICALLY BALANCED RECIPROCATING PULSER VALVE FOR MUD PULSE TELEMETRY

Details for Australian Patent Application No. 2002248599 (hide)

Owner BAKER HUGHES INCORPORATED

Inventors HAHN, Detlef; PETERS, Volker; ROUATBI, Cedric

Pub. Number AU-A-2002248599

PCT Pub. Number WO2002/072993

Priority 60/275,342 13.03.01 US

Filing date 13 March 2002

Wipo publication date 24 September 2002

Event Publications

20 March 2003 Application Open to Public Inspection

  Published as AU-A-2002248599

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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