Noncoring drill bit

Details for Australian Patent Application No. 2007282390 (hide)

Owner UNIKA COMPANY LIMITED MAX CO., LTD.

Inventors Murakami, Naohide; Nonaka, Takuma; Morita, Kazuhisa

Agent Griffith Hack

Pub. Number AU-A-2007282390

PCT Pub. Number WO2008/018559

Priority 2006-217767 10.08.06 JP

Filing date 9 August 2007

Wipo publication date 14 February 2008

International Classifications

B28D 1/14 (2006.01) Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere - by boring or drilling

B24D 7/18 (2006.01) Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face

Event Publications

5 March 2009 PCT application entered the National Phase

  PCT publication WO2008/018559 Priority application(s): WO2008/018559

4 June 2009 Assignment before Grant

  MAX CO., LTD.; UNIKA COMPANY LIMITED The application has been assigned to MAX CO., LTD.

22 July 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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