A method and device for operating an electro-magnet on an intrinsically safe direct current circuit

Details for Australian Patent Application No. 2003201374 (hide)

International Classifications

Event Publications

3 April 2003 Complete Application Filed

Priority application(s): 10212092.7 19.03.02 DE

30 October 2003 Application Open to Public Inspection

Published as AU-B-2003201374

16 March 2006 Assignment before Grant

DBT Automation GmbH The application has been assigned to DBT GmbH

1 March 2007 Application Accepted

Published as AU-B-2003201374

28 June 2007 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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