TWO STEP ETCHING PROCESS FOR AN OPTICAL FIBER PREFORM

Details for Australian Patent Application No. 2002353049 (hide)

Owner CORNING INCORPORATED

Inventors CAPLEN, Julie, E.; DESANDRO, JeanPhilippe, J.; KOH, Joohyun

Pub. Number AU-A-2002353049

PCT Number PCT/US02/38781

PCT Pub. Number WO2003/052173

Priority 60/341,201 14.12.01 US

Filing date 4 December 2002

Wipo publication date 30 June 2003

International Classifications

C25F 003/02 Electrolytic etching or polishing

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

20 March 2003 Complete Application Filed

  Priority application(s): 60/341,201 14.12.01 US

28 August 2003 Application Open to Public Inspection

  Published as AU-A-2002353049

2 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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