Method for Manufacturing Screw With Helical Chip Discharge Channel and Product Thereof

Details for Australian Patent Application No. 2009210392 (hide)

Owner Chao, Y.

Inventors Chao, Ying-Chin

Agent Alfred Lei

Pub. Number AU-A-2009210392

Filing date 20 August 2009

Wipo publication date 10 March 2011

International Classifications

B21H 3/10 (2006.01) Making helical bodies or bodies having parts of helical shape

B21H 3/02 (2006.01) Making helical bodies or bodies having parts of helical shape

F16B 25/02 (2006.01) Screws that form threads in the body into which they are screwed, e.g. wood screws, self-tapping screws

F16B 25/10 (2006.01) Screws that form threads in the body into which they are screwed, e.g. wood screws, self-tapping screws

Event Publications

10 September 2009 Complete Application Filed

10 March 2011 Application Open to Public Inspection

  Published as AU-A-2009210392

13 September 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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