Method and circuit arrangement for measuring earth leakages in intrinsically safe current feeds

Details for Australian Patent Application No. 2003200733 (hide)

International Classifications

Event Publications

13 March 2003 Complete Application Filed

Priority application(s): 10208941.8 28.02.03 DE

16 September 2004 Application Open to Public Inspection

Published as AU-B-2003200733

16 March 2006 Assignment before Grant

DBT Automation GmbH The application has been assigned to DBT GmbH

24 August 2006 Application Accepted

Published as AU-B-2003200733

21 December 2006 Standard Patent Sealed

2 August 2012 Application for Amendment

The nature of the amendment is: Amend the patentee from DBT GmbH to Caterpillar Global Mining Europe GmbH . Address for service in Australia - Callinans 1193 Toorak Road Camberwell VIC 3124

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