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

Gaming apparatus and method including a multiplier feature and bonus features

Patent 6869360 Issued on March 22, 2005. Estimated Expiration Date: Icon_subject September 20, 2021. 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

Coin-operated entertainment machine
Patent #: 5513846
Issued on: 05/07/1996
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Computer-based system and method for playing a poker-like game
Patent #: 5971849
Issued on: 10/26/1999
Inventor: Falciglia

Bonus game for gaming machine with payout percentage varying as function of wager
Patent #: 6155925
Issued on: 12/05/2000
Inventor: Giobbi, et al.

Gaming machine with variable probability of obtaining bonus game payouts
Patent #: 6159097
Issued on: 12/12/2000
Inventor: Gura

Gaming machine with unified image on multiple video displays
Patent #: 6254481
Issued on: 07/03/2001
Inventor: Jaffe

Gaming bonus apparatus and method with player interaction
Patent #: 6309300
Issued on: 10/30/2001
Inventor: Glavich

Gaming device having multiple award enhancing levels
Patent #: 6328649
Issued on: 12/11/2001
Inventor: Randall, et al.

Gaming machine with concealed image bonus feature
Patent #: 6347996
Issued on: 02/19/2002
Inventor: Gilmore, et al.

Operation of gaming machines
Patent #: 6450883
Issued on: 09/17/2002
Inventor: O'Halloran

Method of playing a game, apparatus for playing a game and game with multiplier bonus feature
Patent #: 6471208
Issued on: 10/29/2002
Inventor: Yoseloff, et al.

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Inventors

Assignee

Application

No. 09960179 filed on 09/20/2001

US Classes:

463/25, Credit/debit monitoring or manipulation (e.g., game entry, betting, prize level, etc.)463/20Lot-to-lot combination (e.g., slot machine, etc.)

Examiners

Primary: Hotaling, II, John M.

Attorney, Agent or Firm

Foreign Patent References

  • 000449433 EP 10/01/1991
  • 2 062 922 GB 05/01/1981
  • 2 090 690 GB 07/01/1982
  • 2 183 882 GB 12/01/1985
  • 2 170 636 GB 02/01/1986

International Classes

A63F013/00
G07F017/34
G07F017/34
G07F017/34
G07F017/34
G07F017/34

Abstract

A device and method are set forth for a video slot machine where a player makes a wager to enable one or more pay lines for a game matrix. Game symbols are randomly selected and assigned into the matrix to define winning and losing game symbols combinations for each activated pay line. An active border at least partially surrounding the matrix is displayed and configured to randomly select and display game multipliers, pay line multipliers, free plays and a bonus condition to be fulfilled by the selection of one or more game symbols. A scatter bonus is also provided.

Other References

  • Fey, Marshall, Slot Machines: A Pictorial History of the First 100 Years, 1997, Liberty Belle Books, Fifth Edition, see enclosed pages.
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