Invention Grant
- Patent Title: Double sided printed security document
- Patent Title (中): 双面打印安全文件
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Application No.: US10521555Application Date: 2003-07-18
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Publication No.: US07883762B2Publication Date: 2011-02-08
- Inventor: Pierre Doublet
- Applicant: Pierre Doublet
- Applicant Address: FR Paris
- Assignee: Arjowiggins Security
- Current Assignee: Arjowiggins Security
- Current Assignee Address: FR Paris
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: FR0209221 20020719
- International Application: PCT/FR03/02273 WO 20030718
- International Announcement: WO2004/009372 WO 20040129
- Main IPC: B41M5/00
- IPC: B41M5/00

Abstract:
The invention concerns a security document comprising, as security element against recto/verso copying, indicia present on both sides and capable of being viewed under reflected lighting and forming an image capable of being viewed under transmitted light. The invention is characterized in that said indicia comprise lines and form said image with 3D effect.
Public/Granted literature
- US20050244720A1 Recto/verso copy-protected security document Public/Granted day:2005-11-03
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