Quick release drill bit for down-hole drills

Details for Australian Patent Application No. 2001292998 (hide)

Owner Ingersoll-Rand Company

Inventors Lyon, Leland H.; Smith, Richard K.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2001292998

PCT Pub. Number WO02/25054

Priority 60234834 22.09.00 US

Filing date 24 September 2001

Wipo publication date 2 April 2002

Acceptance publication date 29 September 2005

International Classifications

E21B 010/36 Drilling tools - Percussion drill bits

B23B 031/117 Chucks

Event Publications

29 September 2005 Application Accepted

  Published as AU-B-2001292998

2 February 2006 Standard Patent Sealed

13 August 2009 Assignment Registered

  Ingersoll-Rand Company The patent has been assigned to Atlas Copco Secoroc LLC

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