Tamper evident and counterfeit resisting informational article and associated method

• US 6,364,994 B1
• Filed: 09/30/1996
• Issued: 04/02/2002
• Est. Priority Date: 07/17/1992
• Status: Expired due to Term

• Current Assignee: OpSec Security Group, Inc.
• Original Assignee: Applied Opsec, Inc.
• Inventors: Curiel, Yoram
• Primary Examiner(s): GRAY, LINDA LAMEY
• Application Number:
  US08/723,330
• Time in Patent Office: 2,010 Days
• Field of Search: 283/85, 283/902, 156/217, 156/245, 156/275.5, 156/275.7, 156/289, 156/277, 402/00
• US Class Current: 156/289
• CPC Class Codes: B41M 3/14 Security printing securities B42D25/29
• CPC Class Codes: B42D 2035/08 Alphanumerical data
• CPC Class Codes: B42D 25/00 Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof printing processes to produce identification or security features B41M3/14
• CPC Class Codes: B42D 25/20 characterised by a particular use or purpose
• CPC Class Codes: B42D 25/328 Diffraction gratings; Holograms
• CPC Class Codes: G09F 3/0292 tamper indicating labels
• CPC Class Codes: Y10S 283/901 Concealed data
• CPC Class Codes: Y10S 283/902 Anti-photocopy
• CPC Class Codes: Y10S 40/91 Automobile license identification
• CPC Class Codes: Y10T 428/31504 Composite [nonstructural laminate]

Abstract

A method of protecting an informational article including providing an informational article substrate having a zone for inserting variable information and a refractive image disposed within the zone, inserting the information in the zone so that at least a portion of the information is over the image, and securing a transparent tape having a write-resistant exposed surface over the information. The image resist photocopy duplication of the article and the write-resistant exposed surface resist alteration of the information.

Claims

1. A method of protecting an informational article, on which variable information is inserted, from photocopy duplication and alteration, said method comprising:

providing an informational article substrate having a zone for inserting said variable information and a refractive image disposed within said zone;

inserting said variable information in said zone so that at lest a portion of said variable information is disposed over said refractive image; and

securing a transparent tape having a write resistant exposed surface over said variable information, whereby said refractive image will resist photocopy duplication of said informational article and said write-resistant exposed surface will resist alteration of said inserted variable information.

2. The method of claim 1, wherein

said informational article is a temporary vehicle registration.

3. The method of claim 1, wherein

said informational article is a handicap parking placard.