Electronic drill depth indicator

Details for Australian Patent Application No. 2005200369 (hide)

Owner Atlas Copco Secoroc AB

Inventors Field, Grant Andrew

Agent Griffith Hack

Pub. Number AU-A-2005200369

Priority 11/016,083 17.12.04 US; 60/541,803 03.02.04 US

Filing date 31 January 2005

Wipo publication date 18 August 2005

International Classifications

G01C 003/02 Measuring distances in line of sight - Details

E21B 047/04 Survey of boreholes or wells - Measuring depth or liquid level

Event Publications

17 February 2005 Complete Application Filed

  Priority application(s): 11/016,083 17.12.04 US; 60/541,803 03.02.04 US

18 August 2005 Application Open to Public Inspection

  Published as AU-A-2005200369

22 February 2007 Assignment before Grant

  Atlas Copco Secoroc AB The application has been assigned to Atlas Copco Drilling Solutions Inc.

26 August 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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