Flapper opening mechanism

Details for Australian Patent Application No. 2005233574 (hide)

Owner Baker Hughes Incorporated

Inventors Drummond, Steven J.; Farquhar, Graham

Agent Freehills

Pub. Number AU-B-2005233574

PCT Pub. Number WO2005/100740

Priority 60/560,152 07.04.04 US

Filing date 7 April 2005

Wipo publication date 27 October 2005

Acceptance publication date 7 October 2010

International Classifications

E21B 34/00 (2006.01) Valve arrangements for boreholes or wells

E21B 23/00 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

E21B 34/06 (2006.01) Valve arrangements for boreholes or wells

G09F 3/20 (2006.01) Labels, tag tickets, or similar identification or indication means

G09F 23/00 (2006.01) Advertising on or in specific articles, e.g. ashtrays, letter-boxes

Event Publications

26 October 2006 PCT application entered the National Phase

  PCT publication WO2005/100740 Priority application(s): WO2005/100740

7 October 2010 Application Accepted

  Published as AU-B-2005233574

3 February 2011 Standard Patent Sealed

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.

Next and Previous Patents/Applications

2005233576-Mitotic kinesin inhibitors

2005233571-Disposable chamber for analyzing biologic fluids