IMPROVED DRILL BIT FOR PRINTED CIRCUIT BOARD FABRICATION AND METHOD FOR TREATMENT THEREOF

Details for Australian Patent Application No. 2001293136 (hide)

Owner GARCIA, Patricia, McGrew

Inventors GARCIA, Patricia, McGrew

Pub. Number AU-A-2001293136

PCT Pub. Number WO2003/006708

Priority 09/901,370 09.07.01 US

Filing date 27 September 2001

Wipo publication date 29 January 2003

International Classifications

C23C 022/74 Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals

C23C 022/73 Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals - characterised by the process

Event Publications

22 May 2003 Application Open to Public Inspection

  Published as AU-A-2001293136

8 April 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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