METHOD OF MAKING AN ELECTRET

Details for Australian Patent Application No. 2002324663 (hide)

Owner 3M INNOVATIVE PROPERTIES COMPANY

Inventors GUERRA, Miguel, A.; CHOU, ShihHung; WU, Tien, Tsung; MEI, Betty, Z.; SCHABERG, Mark, S.; BUCCELLATO, Gina, M.; ELSBERND, Cheryl, L., S.

Pub. Number AU-A-2002324663

PCT Number PCT/US02/25422

PCT Pub. Number WO2003/023796

Priority 09/949,387 07.09.01 US

Filing date 12 August 2002

Wipo publication date 24 March 2003

International Classifications

H01G 007/00 Capacitors in which the capacitance is varied by non-mechanical means

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): 09/949,387 07.09.01 US

19 June 2003 Application Open to Public Inspection

  Published as AU-A-2002324663

10 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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