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Prepaid card

  • US 5,712,473 A
  • Filed: 06/11/1996
  • Issued: 01/27/1998
  • Est. Priority Date: 10/20/1995
  • Status: Expired due to Fees
First Claim
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1. A prepaid card having a transparent print pattern with box drawing codes provided as basic codes in the form of four tetrahedrons of different sizes arranged one inside another, the four sides of each tetrahedron being constituted by respective segments representing respective bit expressions, the individual bit expressions of the segments being for a predetermined digit place arrangement from the least significant digit place to provide a binary number system expression representing a corresponding decimal or hexadecimal number system expression, a predetermined numeral, character, symbol, being represented by the bit expression of each segment of a summation of some of the bit expressions.

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