The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 14, 2001
Filed:
Apr. 07, 2000
John Charles Taylor, Dural, AU;
Bruce Alfred Hardwick, Wandong, AU;
Wayne Kevin Jackson, Reservoir, AU;
Paul Zientek, North Carlton, AU;
Cameron Rex Hibbert, Churchill, AU;
Securency Pty Ltd, Victoria, AU;
Abstract
A self-verifying security document, such as a banknote (,) comprises a flexible sheet formed from a plastics substrate (,) bearing indicia (,). The sheet bas a window (,) of transparent plastics material which includes self-verification means (,) for verifying a security device (,) provided at a laterally spaced second portion of the sheet when the sheet is bent or folded to bring the window (,) into register with the security device (,). The self-verification means may be an optical lens (,) for reading an area of microprinting (,). In another embodiment, the self-verification means may be an optical filter (,) for viewing an area (,) printed with metameric inks. In other embodiments, the self-verification means and the security device (,) may be polarising windows (,) or Moire inducing patterns (,).