Method and apparatus for replacement of underground pipe

Details for Australian Patent Application No. 2002336424 (hide)

Owner Earth Tool Company, L.L.C.

Inventors Randa, Mark D.; Wentworth, Steven W.

Agent Freehills

Pub. Number AU-B-2002336424

PCT Number PCT/US02/28073

PCT Pub. Number WO2003/021073

Priority 09/946,081 04.09.01 US

Filing date 4 September 2002

Wipo publication date 18 March 2003

Acceptance publication date 8 March 2007

International Classifications

F16L 55/165 (2006.01) Devices or appurtenances for use in, or in connection with, pipes or pipe systems

E21B 4/14 (2006.01) Drives for drilling, used in the borehole

E21B 7/30 (2006.01) Special methods or apparatus for drilling

E21B 17/05 (2006.01) Drilling rods or pipes

Event Publications

20 February 2003 Complete Application Filed

  Priority application(s): 09/946,081 04.09.01 US

5 June 2003 Application Open to Public Inspection

  Published as AU-B-2002336424

8 March 2007 Application Accepted

  Published as AU-B-2002336424

5 July 2007 Standard Patent Sealed

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2002336425-Process for micronizing materials

2002336423-INTER-CARRIER SHORT MESSAGING SERVICE PROVIDING PHONE NUMBER ONLY EXPERIENCE