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Card mark sensor and methods for blackjack

  • US 5,224,712 A
  • Filed: 04/10/1992
  • Issued: 07/06/1993
  • Est. Priority Date: 03/01/1991
  • Status: Expired due to Term
First Claim
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1. A plurality of blackjack playing cards comprising a group of sixteen, each card of the group having a blackjack value of ten and each card of the group comprising additional face indicia at at least one specific otherwise unoccupied site on the face of each card representative of only the blackjack numerical value of ten, without regard to its suit accommodating face down inspection of the face site using components of an inspection device during a game of blackjack.

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