DELAY LINE FILTERS USING MULTIPLE IN-LINE FOUR-INPUT COUPLERS

Details for Australian Patent Application No. 2002254447 (hide)

Owner K AND L MICROWAVE INC.

Inventors HERSHTIG, Rafi

Pub. Number AU-A-2002254447

PCT Pub. Number WO2002/080301

Priority 60/279,825 30.03.01 US

Filing date 1 April 2002

Wipo publication date 15 October 2002

International Classifications

H01P 009/00 Delay lines of the waveguide type

H01P 001/18 Auxiliary devices - Phase-shifters

H03F 001/00 Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements

H01P 005/12 Coupling devices of the waveguide type - Coupling devices having more than two ports

Event Publications

3 April 2003 Application Open to Public Inspection

  Published as AU-A-2002254447

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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