An optical device and methods of manufacture

Details for Australian Patent Application No. 2002252818 (hide)

Owner Commonwealth Scientific and Industrial Research Organisation

Inventors Lee, Robert Arthur

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2002252818

PCT Pub. Number WO2002/091041

Priority PR 4833 08.05.01 AU

Filing date 6 May 2002

Wipo publication date 18 November 2002

Acceptance publication date 25 October 2007

International Classifications

G02B 5/18 (2006.01) Optical elements other than lenses - Diffracting gratings

B44F 1/10 (2006.01) Designs or pictures characterised by special or unusual light effects

B41M 3/06 (2006.01) Printing processes to produce particular kinds of printed work, e.g. patterns

B41M 3/14 (2006.01) Printing processes to produce particular kinds of printed work, e.g. patterns - Security printing

Event Publications

1 May 2003 Application Open to Public Inspection

  Published as AU-B-2002252818

25 October 2007 Application Accepted

  Published as AU-B-2002252818

21 February 2008 Standard Patent Sealed

20 October 2011 Assignment Registered

  Commonwealth Scientific and Industrial Research Organisation The patent has been assigned to Securency International Pty Limited

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