Method of using cascaded sweeps for source coding and harmonic cancellation

Details for Australian Patent Application No. 2002211768 (hide)

International Classifications

Event Publications

27 November 2003 Assignment before Grant

WesternGeco Seismic, L.L.C. The application has been assigned to WesternGeco Seismic Holdings Ltd.

4 August 2005 Application Accepted

Published as AU-B-2002211768

1 December 2005 Standard Patent Sealed

10 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

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.