BLADE EDGE STRUCTURE FOR CORE DRILL

Details for Australian Patent Application No. 2003289413 (hide)

Owner KABUSHIKI KAISHA MIYANAGA

Inventors MIYANAGA, Masaaki

Pub. Number AU-A-2003289413

PCT Number PCT/JP2003/0162

PCT Pub. Number WO2004/056521

Priority 2002-369433 20.12.02 JP

Filing date 18 December 2003

Wipo publication date 14 July 2004

International Classifications

B23B 051/04 Tools for drilling machines - for trepanning

B24D 007/18 Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face

B28D 001/14 Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere - by boring or drilling

Event Publications

1 April 2004 Complete Application Filed

  Priority application(s): 2002-369433 20.12.02 JP

19 August 2004 Application Open to Public Inspection

  Published as AU-A-2003289413

8 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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