Lottery ticket integrity number

• US 4,725,079 A
• Filed: 07/11/1986
• Issued: 02/16/1988
• Est. Priority Date: 07/11/1986
• Status: Expired due to Fees

• Current Assignee: Scientific Games Operating Corp.
• Original Assignee: Scientific Games Corporation
• Inventors: Koza, John R., Behm, William F., Keane, Martin A.
• Primary Examiner(s): Bell, Paul A.
• Application Number:
  US06/884,535
• Time in Patent Office: 585 Days
• Field of Search: 283/73, 283/70, 283/902, 283/903, 283/81, 273/139
• US Class Current: 283/73
• CPC Class Codes: A63F 2003/066 using ink jet
• CPC Class Codes: A63F 3/065 Tickets or accessories for use therewith A63F3/0625 takes precedence
• CPC Class Codes: G07C 15/005 with dispensing of lottery tickets
• CPC Class Codes: Y10S 283/903 Lottery ticket

Abstract

A method for enhancing the security of instant lottery tickets. A book number indicating from which packet a particular lottery ticket originated is printed on the back of the ticket and an integrity number is printed on the front of the ticket. The integrity number is related to the book number by an algorithm known only to the ticket manufacturer and the lottery administration. To further enhance the security of the ticket, the book number and integrity number are simultaneously printed onto the ticket.

Claims

1. In a lottery ticket having a first member laminated to a second member, winning indicia printed on one of said members, space provided on one of said members to write winner information, and accounting information printed on said first member;

the improvement comprising;

an integrity number, algorithmicly related to at least a portion of said accounting information, printed on said second member.

2. The ticket of claim 1 wherein said integrity number has fewer characters than said portion of accounting information.

3. The ticket of claim 2 wherein said integrity number is a check sum of said portion of accounting information.

4. The ticket of claim 1 wherein said portion of accounting information is a book number.

5. The ticket of claim 4 wherein said integrity number has fewer characters than said book number.

6. The ticket of claim 4 wherein said integrity number is a check sum of said book number.

7. The ticket of claim 1 wherein said winning indicia is printed on said second member, said accounting information includes a book number and said integrity number is algorithmicly related to said book number.

8. The ticket of claim 7 wherein said integrity number has fewer characters than said book number.