Credential

• US 3,279,826 A
• Filed: 05/27/1964
• Issued: 10/18/1966
• Est. Priority Date: 05/27/1964
• Status: Expired due to Term

• Current Assignee: Bryant Frech Everett, Frank J. Rudershausen, Oliver F. Naquin
• Original Assignee: Bryant Frech Everett, Frank J. Rudershausen, Oliver F. Naquin
• Inventors: Rudershausen, Frank J., Naquin, Oliver F., BRYANT FRECH EVERETT
• Application Number:
  US04/370,452
• Time in Patent Office: 874 Days
• US Class Current: 283/89
• CPC Class Codes: B42D 2033/06 Translucent material
• CPC Class Codes: B42D 2033/20 Coloured material; Pigments or inks
• CPC Class Codes: B42D 2033/30 Plastic material
• CPC Class Codes: B42D 2033/32 Other material
• CPC Class Codes: B42D 2035/06 Picture of the user
• CPC Class Codes: B42D 2035/34 Markings visible under particular conditions or containing coded information
• 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 25/23 Identity cards
• CPC Class Codes: B42D 25/309 Photographs
• CPC Class Codes: B42D 25/318 Signatures
• CPC Class Codes: B42D 25/351 Translucent or partly translucent parts, e.g. windows
• CPC Class Codes: B42D 25/387 absorbing or reflecting ultraviolet light
• CPC Class Codes: B42D 25/455 using heat
• CPC Class Codes: Y10S 283/901 Concealed data

Claims

1. AN IDENTIFICATION CREDENTIAL COMPRISING THE FOLLOWING:

(1) A FLUORESCENT ELEMENT;

(2) A CODE CONTAINING MARKINGS SUCH AS WORDS, SYMBOLS OR THE LIKE WHICH CODE COMPRISES A SCREENING ELEMENT AND (3) A BODY BEARING IDENTIFICATION DATA EMBEDDED IN A TRANSPARENT FILM, SAID SCREENING ELEMENT CO-ACTING WITH SAID FLUORESCENT ELEMENT TO AFFORD VISIBILITY OF SAID CODE FOR SAID IDENTIFICATION CREDENTIAL, SAID SCREENING ELEMENT AFFORDING A MATERIAL IMPERVIOUS TO ULTRAVIOLET RAYS AND SAID IMPERVIOUS MATERIAL BEING INVISIBLE UNDER ORDINARY LIGHT BUT VISIBLE WHEN VIEWED UNDER ULTRAVIOLET LIGHT AGAINST THE FLUROESCENT BACKGROUND AFFORDED BY THE SAID FLUORESCENT ELEMENT.