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

Progressive jackpot gaming system with enhanced accumulator

Patent 5344144 Issued on September 6, 1994. Estimated Expiration Date: Icon_subject September 6, 2011. 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

Code controlled microcontroller readout from coin operated machine
Patent #: 4216461
Issued on: 08/05/1980
Inventor: Werth ,   et al.

Cash accounting and surveillance system for games
Patent #: 4283709
Issued on: 08/11/1981
Inventor: Lucero ,   et al.

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

Cash flow monitoring system
Patent #: 4357605
Issued on: 11/02/1982
Inventor: Clements

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

Video gaming system with pool prize structures
Patent #: 4652998
Issued on: 03/24/1987
Inventor: Koza ,   et al.

Multiple progressive gaming system that freezes payouts at start of game
Patent #: 4837728
Issued on: 06/06/1989
Inventor: Barrie ,   et al.

Hierarchical lottery network with selection from differentiated playing pools
Patent #: 4842278
Issued on: 06/27/1989
Inventor: Markowicz

Computerized gaming system
Patent #: 4926327
Issued on: 05/15/1990
Inventor: Sidley

Control apparatus for game machines Patent #: 4964638
Issued on: 10/23/1990
Inventor: Ishida

Inventor

Assignee

Application

No. 589428 filed on 09/27/1990

US Classes:

463/27, Pool carryover (e.g., progressive jackpot, etc.)273/143R, Edge indication463/42Network type (e.g., computer network, etc.)

Examiners

Primary: Grieb, William H.
Assistant: Harrison, Jessica J.

Attorney, Agent or Firm

International Classes

A63F 009/24
G07F 017/34
G06F 015/44

Abstract

An accumulator for a multiple jackpot gaming system wherein the accumulator has the facility for date stamping jackpot-wins, recording the identification of devices and changes being made by such devices to its data and/or programming, allocating coins-in to one or more jackpot groups and/or to one or more increment rates assigned to a particular jackpot group, operate its jackpot stack so as to clear stack positions immediately upon clearing a jackpot, and control jackpot handling from its main programming loop.

Other References

  • Barrie et al.; Program Listing for Progressive Controller; From Microfiche Appendix of--U.S. Pat. No. 4,837,72
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