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Class Information
Number: 283/85
Name: Printed matter > Having revealable concealed information, fraud preventer or detector, use preventer or detector, or identifier > Utilizing electromagnetic radiation
Description: Subject matter wherein either the hidden or obstructed information is made readable or understandable, or the larceny prevention or signalling occurs by the use of a specific frequency or range of frequencies of electromagnetic radiation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7611168 |
Security document and security element for a security document |
Nov. 3, 2009 |
| 7535641 |
Optically variable element comprising a partial transparent element |
May. 19, 2009 |
| 7463388 |
Image forming apparatus with control of image formation using read information |
Dec. 9, 2008 |
| 7435979 |
Optical device and method of manufacture |
Oct. 14, 2008 |
| 7413223 |
Hologram inspection device |
Aug. 19, 2008 |
| 7336422 |
Sheeting with composite image that floats |
Feb. 26, 2008 |
| 7281810 |
Optical device and methods of manufacture |
Oct. 16, 2007 |
| 7272982 |
Gathering data concerning publication usage |
Sep. 25, 2007 |
| 7220535 |
Marking and authenticating articles |
May. 22, 2007 |
| 7182476 |
Optical device and methods of manufacture |
Feb. 27, 2007 |
| 7172803 |
Laser markable carrier unit |
Feb. 6, 2007 |
| 7153561 |
Absorbent article with graphic design thereon |
Dec. 26, 2006 |
| 7106888 |
Signature capture via interface surface |
Sep. 12, 2006 |
| 7090917 |
Security strips |
Aug. 15, 2006 |
| 7068434 |
Sheeting with composite image that floats |
Jun. 27, 2006 |
| 7037606 |
Security element |
May. 2, 2006 |
| 6953206 |
Safety adhesive foil as identification element |
Oct. 11, 2005 |
| 6859534 |
Digital anti-counterfeiting software method and apparatus |
Feb. 22, 2005 |
| 6837960 |
Informational article and an associated method |
Jan. 4, 2005 |
| 6832783 |
Optically-based methods and apparatus for performing sorting, coding and authentication using a gain medium that provides a narrowband emission |
Dec. 21, 2004 |
| 6819409 |
System for reading an information strip containing optically coded information |
Nov. 16, 2004 |
| 6815147 |
Film which can be inscribed by a laser beam |
Nov. 9, 2004 |
| 6805926 |
Security label having security element and method of making same |
Oct. 19, 2004 |
| 6801346 |
Diffractive safety element |
Oct. 5, 2004 |
| 6770898 |
Method of verifying the authenticity of a security document and document for use in such a method |
Aug. 3, 2004 |
| 6766953 |
Tape indicia on clear film media |
Jul. 27, 2004 |
| 6764970 |
Woven labels with an invisible bar code |
Jul. 20, 2004 |
| 6764571 |
Informational article and an associated method |
Jul. 20, 2004 |
| 6754377 |
Methods and systems for marking printed documents |
Jun. 22, 2004 |
| 6666991 |
Fluorescent or phosphorescent composition |
Dec. 23, 2003 |
| RE38321 |
Transparent hologram seal |
Nov. 18, 2003 |
| 6610351 |
Raman-active taggants and their recognition |
Aug. 26, 2003 |
| 6587234 |
Method and apparatus for creating a white-light interference hologram from PC input photographic data |
Jul. 1, 2003 |
| 6552290 |
Optically-based methods and apparatus for performing sorting coding and authentication using a gain medium that provides a narrowband emission |
Apr. 22, 2003 |
| 6417968 |
Diffractive surface pattern |
Jul. 9, 2002 |
| 6414761 |
Secure holographic images on paper |
Jul. 2, 2002 |
| 6372394 |
Laser marking of articles |
Apr. 16, 2002 |
| 6364994 |
Tamper evident and counterfeit resisting informational article and associated method |
Apr. 2, 2002 |
| 6361079 |
Labels for detecting counterfeit products |
Mar. 26, 2002 |
| 6318758 |
Security document with a security component and method for the production thereof |
Nov. 20, 2001 |
| 6271967 |
Optically diffractive structure |
Aug. 7, 2001 |
| 6234477 |
Integrated lottery pouch |
May. 22, 2001 |
| 6186404 |
Security document voiding system |
Feb. 13, 2001 |
| 6176521 |
Variable color print with locally colored regions and method of making same |
Jan. 23, 2001 |
| 6127073 |
Method for concealing information and document for securely communicating concealed information |
Oct. 3, 2000 |
| 6120882 |
Article with holographic and retroreflective features |
Sep. 19, 2000 |
| 6089614 |
Security device |
Jul. 18, 2000 |
| 6082778 |
Identity card protected from unauthorized reproduction with a copying machine |
Jul. 4, 2000 |
| 6066437 |
Film which can be lettered using a laser beam |
May. 23, 2000 |
| 6060200 |
Photo-erasable data processing forms and methods |
May. 9, 2000 |
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