发明名称 SYSTEM FOR ADMINISTERING AN INTERACTIVE TRANSACTION
摘要 <p>A method of playing a lottery game with a plurality of tickets (400) each having play spots (420). The play spots have values (426) and are distributed randomly on the tickets, and covered with a removable medium (422). A unique identifier is placed on each ticket (440), and a record of the unique identifier and values of play spots for each ticket are stored in a database (212). When a user obtains a ticket, the record of the unique identifier of the ticket is flagged to indicate that the ticket may be activated (220). Once activated, the user is instructed to uncover a preselected set of play spots (226), and the record of the unique identifier corresponding to the ticket is flagged to indicate that the ticket has been activated (228).</p>
申请公布号 WO2000057974(A1) 申请公布日期 2000.10.05
申请号 US2000003605 申请日期 2000.02.11
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