METHOD AND APPARATUS FOR DRILLING PREFORMS FOR HOLEY OPTICAL FIBERS

Details for Australian Patent Application No. 2003246376 (hide)

Owner PIRELLI AND C. S.P.A.

Inventors DAI, Guojun; SOLINAS, Stefano; VERONELLI, Franco; ARIMONDI, Marco

Pub. Number AU-A-2003246376

PCT Number PCT/EP03/07157

PCT Pub. Number WO2005/003046

Filing date 30 June 2003

Wipo publication date 21 January 2005

International Classifications

C03B 037/012 Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags - Manufacture of preforms for drawing fibres or filaments

Event Publications

2 October 2003 Complete Application Filed

3 March 2005 Application Open to Public Inspection

  Published as AU-A-2003246376

16 March 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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