CONTRAST ENHANCING MARKING SYSTEM FOR APPLICATION OF UNOBTRUSIVE IDENTIFICATION AND OTHER MARKINGS

Details for Australian Patent Application No. 2002251970 (hide)

Owner SPECTRA SYSTEMS CORPORATION

Inventors LAWANDY, Nabil, M.; DRISCOLL, Timothy, J.; ZEPP, Charles, M.

Pub. Number AU-A-2002251970

PCT Pub. Number WO2002/060604

Priority 60/289,214 07.05.01 US; 10/060,767 30.01.02 US; 60/265,440 31.01.01 US; 60,265,458 31.01.01 US; 60/270,754 22.02.01 US; 60,270,755 22.02.01 US; 60/276,631 16.03.01 US; 60/278,690 26.03.01 US

Filing date 31 January 2002

Wipo publication date 12 August 2002

International Classifications

B07C 005/00 Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature

B07C 005/342 Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature - according to optical properties, e.g. colour

B32B 023/00 Layered products essentially comprising cellulosic plastic substances

G06K 009/00 Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints

Event Publications

20 February 2003 Application Open to Public Inspection

  Published as AU-A-2002251970

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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