FRESNEL-TYPE OPTICAL STRUCTURE

Details for Australian Patent Application No. 2002323559 (hide)

Owner 3M INNOVATIVE PROPERTIES COMPANY

Inventors SERVATIUS, James; FEHR, Robert, T.

Pub. Number AU-A-2002323559

PCT Number PCT/US02/27913

PCT Pub. Number WO2003/042727

Priority 10/010,879 13.11.01 US

Filing date 30 August 2002

Wipo publication date 26 May 2003

International Classifications

G02B 005/18 Optical elements other than lenses - Diffracting gratings

G02B 003/08 Simple or compound lenses - with discontinuous faces, e.g. Fresnel lens

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): 10/010,879 13.11.01 US

24 July 2003 Application Open to Public Inspection

  Published as AU-A-2002323559

23 March 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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