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Class Information
Number: 283/91
Name: Printed matter > Having revealable concealed information, fraud preventer or detector, use preventer or detector, or identifier > Utilizing electromagnetic radiation > And incorporated radiation filter > Specific spectral transmittance or reflectance
Description: Subject matter wherein the printed matter is provided with means which allows or permits only a specific frequency or range of frequencies of electromagnetic radiation to pass therethrough and is designed or structured to cause a specific frequency or range of frequencies of electromagnetic radiation to bounce off or rebound, i.e., reflect, from the means of the printed matter.


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7401817 Invisible, machine-detectable security marking, production of the security marking, and security system comprising this security marking Jul. 22, 2008
7316422 Safety element and a valuable object Jan. 8, 2008
7296826 Composite window label construction Nov. 20, 2007
7290802 Second surface micromotion display Nov. 6, 2007
7290803 Reflective article and method of manufacturing same Nov. 6, 2007
7271951 Cards and laminates incorporating multilayer optical films Sep. 18, 2007
7256936 Optical polarizing films with designed color shifts Aug. 14, 2007
7255909 Security laminate Aug. 14, 2007
7246824 Labels and method of forming the same Jul. 24, 2007
7201821 Identifying medium and identifying method for object Apr. 10, 2007
7184569 Marking articles using a covert digitally watermarked image Feb. 27, 2007
7175206 Anti-counterfeiting marker for affixing variable entries on a support to be marked, method and resulting mark Feb. 13, 2007
7161738 Secure document of value and method of manufacturing same Jan. 9, 2007
7108286 Antifalsification paper and other antifalsification items Sep. 19, 2006
7086666 Identification card with embedded halftone image security feature perceptible in transmitted light Aug. 8, 2006
7078090 Decorative foil Jul. 18, 2006
7063924 Security device with patterned metallic reflection Jun. 20, 2006
7064897 Optical polarizing films with designed color shifts Jun. 20, 2006
7060342 Recording medium and image-forming method employing the same Jun. 13, 2006
7048307 Reflective display May. 23, 2006
7037606 Security element May. 2, 2006
7029525 Optically variable water-based inks Apr. 18, 2006
6991260 Anti-counterfeiting see-through security feature using line patterns Jan. 31, 2006
6970235 Document monitoring method Nov. 29, 2005
6970236 Methods and systems for verification of interference devices Nov. 29, 2005
6918616 Printed security device and method Jul. 19, 2005
6886864 Flexible sheet having at least one region of electroluminescence May. 3, 2005
6819409 System for reading an information strip containing optically coded information Nov. 16, 2004
6817689 Currency bill having etched bill specific metallization Nov. 16, 2004
6805926 Security label having security element and method of making same Oct. 19, 2004
6766953 Tape indicia on clear film media Jul. 27, 2004
6764970 Woven labels with an invisible bar code Jul. 20, 2004
6761378 Apparatus for maintaining the security of a substrate Jul. 13, 2004
6755441 Machine detectable document of value Jun. 29, 2004
6752432 Identification card with embedded halftone image security feature perceptible in transmitted light Jun. 22, 2004
6746053 System for preventing parallel marketing of retail items Jun. 8, 2004
6739627 Security feature comprising a perforation pattern May. 25, 2004
6722700 Data carrier and method for producing same Apr. 20, 2004
6712397 Embossed data carrier Mar. 30, 2004
6692030 Security document with nano-pattern Feb. 17, 2004
6686027 Security substrate for documents of value Feb. 3, 2004
6659508 Security documents Dec. 9, 2003
RE38321 Transparent hologram seal Nov. 18, 2003
6623042 Visually identifiable optical element Sep. 23, 2003
6610351 Raman-active taggants and their recognition Aug. 26, 2003
6609728 Identification mark comprising an optically and electronically readable marking Aug. 26, 2003
6600603 Textured surface Jul. 29, 2003
6589628 Article having optical effects Jul. 8, 2003
6543810 Method for making a film with pattern preventing reproduction by optical scanning for the protection of documents Apr. 8, 2003
6530602 Machine detectable document of value Mar. 11, 2003

1 2 3 4 5 6


 
 
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