Compressed air percussive mechanism for a down hole hammer and down hole hammer

Details for Australian Patent Application No. 2002367626 (hide)

International Classifications

Event Publications

25 September 2003 Complete Application Filed

Priority application(s): 0200181-6 23.01.02 SE

2 October 2003 Application Open to Public Inspection

Published as AU-B-2002367626

2 August 2007 Application Accepted

Published as AU-B-2002367626

29 November 2007 Standard Patent Sealed

24 June 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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

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