A METHOD OF ACHIEVING BACK SERVICE

Details for Australian Patent Application No. 2003272875 (hide)

Owner HUAWEI TECHNOLOGIES CO., LTD.

Inventors WANG, Jie

Pub. Number AU-A-2003272875

PCT Number PCT/CN03/00876

PCT Pub. Number WO2004/047419

Priority 02148809.6 18.11.02 CN

Filing date 20 October 2003

Wipo publication date 15 June 2004

International Classifications

H04M 003/436 Automatic or semi-automatic exchanges

H04M 001/66 Substation equipment, e.g. for use by subscribers - with means for preventing unauthorised or fraudulent calling

Event Publications

22 January 2004 Complete Application Filed

  Priority application(s): 02148809.6 18.11.02 CN

15 July 2004 Application Open to Public Inspection

  Published as AU-A-2003272875

4 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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