Article with retroreflective and radio frequency-responsive features

Details for Australian Patent Application No. 2002340275 (hide)

Owner 3M Innovative Properties Company

Inventors Look, Thomas F

Agent Davies Collison Cave

Pub. Number AU-B-2002340275

PCT Number PCT/US02/33744

PCT Pub. Number WO2003/054791

Priority 10/027,764 19.12.01 US

Filing date 22 October 2002

Wipo publication date 9 July 2003

Acceptance publication date 12 June 2008

International Classifications

G06K 19/00 (2006.01) Record carriers for use with machines and with at least a part designed to carry digital markings

G02B 5/128 (2006.01) Optical elements other than lenses

G06K 19/14 (2006.01) Record carriers for use with machines and with at least a part designed to carry digital markings - the marking being sensed by radiation

G06K 19/18 (2006.01) Record carriers for use with machines and with at least a part designed to carry digital markings - Constructional details

G09F 3/00 (2006.01) Labels, tag tickets, or similar identification or indication means

G09F 3/02 (2006.01) Labels, tag tickets, or similar identification or indication means - Forms or constructions

G09F 13/16 (2006.01) Illuminated signs - Signs formed of, or incorporating, reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape

H04B 5/02 (2006.01) Near-field transmission systems, e.g. inductive loop type - using transceiver

G06K 19/06 (2006.01) Record carriers for use with machines and with at least a part designed to carry digital markings - characterised by the kind of the digital marking, e.g. shape, nature, code

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 10/027,764 19.12.01 US

2 October 2003 Application Open to Public Inspection

  Published as AU-B-2002340275

12 June 2008 Application Accepted

  Published as AU-B-2002340275

9 October 2008 Standard Patent Sealed

17 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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