Optical filters

Details for Australian Patent Application No. 2002223867 (hide)

Owner QinetiQ Limited

Inventors McNie, Mark Edward; Smith, Gilbert William; Lewis, Keith Loder

Agent Davies Collison Cave

Pub. Number AU-B-2002223867

PCT Pub. Number WO02/44788

Priority 0029224 30.11.00 GB

Filing date 23 November 2001

Wipo publication date 11 June 2002

Acceptance publication date 3 February 2005

International Classifications

G02B 026/00 Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating

G02B 006/34 Light guides - utilising prism or grating

G02B 006/26 Light guides - Optical coupling means

G02B 005/28 Optical elements other than lenses - Interference filters

Event Publications

3 February 2005 Application Accepted

  Published as AU-B-2002223867

2 June 2005 Standard Patent Sealed

26 April 2007 Change of Name(s) of Applicant(s), Section 104

  QinetiQ Limited The name of the applicant has been changed to QINETIQ LIMITED

16 June 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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