Coin-operated entertainment machine
Patent 5370306 Issued on December 6, 1994. Estimated Expiration Date: 
June 10, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 10, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesPrize award system for coin laundry Audit and pricing system for coin-operated games Patent #: 5257179 InventorsAssigneeApplicationNo. 075501 filed on 06/10/1993US Classes:463/25, Credit/debit monitoring or manipulation (e.g., game entry, betting, prize level, etc.)273/371With electrically actuated or operated indicatorExaminersPrimary: Harrison, Jessica J.Attorney, Agent or FirmForeign Patent References
International ClassesG07F 017/32A63F 009/24 Foreign Application Priority Data1990-12-10 DEAbstractA coin-operated entertainment machine includes a central control unit which permits the machine to be used at certain hours of the day or at certain days of the week at a reduced cost. In addition, the central control unit controls the machine in such a way that, with each use of the machine, a game of chance is automatically started, which gives the user the right to use the machine one or several times at no cost, should he win. Finally, the central control unit controls the machine in such a way that is possible to choose beforehand, by means of a selector, whether the end of the game depends on the occurrence of certain events during the game or on the end of a predetermined time interval. | |
