Chemical bed design

Details for Australian Patent Application No. 2002253451 (hide)

International Classifications

Event Publications

27 November 2003 Assignment before Grant

Transgraph Export Company (Proprietary) Limited The application has been assigned to African Oxygen Limited

1 April 2004 Application Accepted

Published as AU-B-2002253451

29 July 2004 Standard Patent Sealed

11 November 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This patent ceased under section 143(a), or Expired. This application was not yet Open to Public Inspection. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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