Competitive game
Patent 4586707 Issued on May 6, 1986. Estimated Expiration Date: 
April 29, 2005. 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.
April 29, 2005. 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 References 2562179 2654163 3556530 3577656 3718349 3815919 Telephone random number game Patent #: 3998465 InventorsApplicationNo. 06/728148 filed on 04/29/1985US Classes:463/9, In a game requiring strategy or problem solving by a participant (e.g., problem eliciting response, puzzle, etc.)273/139, Chance selection463/41Telephonic (e.g., modem, etc.)ExaminersPrimary: Skogquist, Harland S.Attorney, Agent or FirmInternational ClassesG09B 7/00 (20060101)G09B 7/073 (20060101) A63F 9/18 (20060101) Foreign Application Priority Data1982-01-02 GBAbstractA game primarily though not exclusively intended for mass-communication media such as radio, television and newspapers and periodicals, involves the answers to a set of questions being assembled, for example, as numbers, according to a predetermined explicit or problematic algorithm into an instruction such for example as a telephone number by means of which the first solver can identify himself and claim a prize.Other References
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