STRUCTURED SURFACE ELECTROSTATIC FILTRATION MEDIA TRAY

Details for Australian Patent Application No. 2002311929 (hide)

Owner 3M INNOVATIVE PROPERTIES COMPANY

Inventors ZHANG, Zhiqun; WU, Tien T.; TANG, Yuan-Ming; SPIEWAK, Brian E.

Pub. Number AU-A-2002311929

PCT Number PCT/US02/15525

PCT Pub. Number WO2003/013733

Priority 09/927,976 10.08.01 US

Filing date 13 May 2002

Wipo publication date 24 February 2003

International Classifications

B03C 003/28 Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect

B03C 003/155 Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect

Event Publications

2 January 2003 Complete Application Filed

  Priority application(s): 09/927,976 10.08.01 US

19 June 2003 Application Open to Public Inspection

  Published as AU-A-2002311929

6 May 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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