U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Slot machine

Patent 4805907 Issued on February 21, 1989. Estimated Expiration Date: Icon_subject October 29, 2006. 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

Entertainment machines
Patent #: 4335809
Issued on: 06/22/1982
Inventor: Wain

Remote gaming system
Patent #: 4467424
Issued on: 08/21/1984
Inventor: Hedges ,   et al.

Random number generating techniques and gaming equipment employing such techniques
Patent #: 4527798
Issued on: 07/09/1985
Inventor: Siekierski ,   et al.

Electronic game machine suitable for chance and gambling card games
Patent #: 4614342
Issued on: 09/30/1986
Inventor: Takashima

Poker machine communication system Patent #: 4636951
Issued on: 01/13/1987
Inventor: Harlick

Inventor

Application

No. 06/930283 filed on 10/29/1986

US Classes:

463/26, Pool amount (e.g., jackpot, etc.)463/20, Lot-to-lot combination (e.g., slot machine, etc.)463/42Network type (e.g., computer network, etc.)

Examiners

Primary: Tarcza, Thomas H.
Assistant: Barron, Gilberto Jr.

Attorney, Agent or Firm

International Class

G07F 17/32 (20060101)

Abstract

This invention relates to a slot machine which comprises one main machine, and a plurality of subordinate machines connected to the main machine. Each subordinate machine comprises a slot, detecting means for sensing the coins betted in; and coin paying-out means.The main machine comprises control means for starting the game in response to an output of the detection means of the subordinate machine and controlling the proceeding of the game; display means for showing on its screen symbol rows having plural kinds of symbols and movable while the game is going on; and payment commanding means for commanding the coin paying-out means to pay out coins in accordance with a preset payment rate when the result of the game is found won. The slot machine of this type brings forth communication among players thereby to make the game more amusing. This brings about more profit to the installer of the slot machine.

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