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Class Information
Number: 463/21
Name: Amusement devices: games > Including means for processing electronic data (e.g., computer/video game, etc.) > In a chance application > Lot match or lot combination (e.g., roulette, lottery, etc.) > Plural lots (e.g., keno, etc.) > Lot-to-lot combination (e.g., slot machine, etc.) > Having means to alter combination probability
Description: Lot-to-lot combination further including means for adjusting the likelihood of either a match between lots or a particular combination of plural lots.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5608785 |
Method and apparatus for telephone prize opportunities |
Mar. 4, 1997 |
| 5569084 |
Fractional branching reel-type slot machine |
Oct. 29, 1996 |
| 5547192 |
Display apparatus for gaming machine |
Aug. 20, 1996 |
| 5524888 |
Gaming machine having electronic circuit for generating game results with non-uniform probabilities |
Jun. 11, 1996 |
| 5456465 |
Method for determining payoffs in reel-type slot machines |
Oct. 10, 1995 |
| 5456466 |
Entertainment machines |
Oct. 10, 1995 |
| 5263716 |
Multiple tier gaming machine |
Nov. 23, 1993 |
| 5209479 |
Clot machine |
May. 11, 1993 |
| 5169147 |
Stop-control device of rotary gaming machine |
Dec. 8, 1992 |
| 5154421 |
Stop-control method of reels in a rotary gaming machine and its apparatus |
Oct. 13, 1992 |
| 5108099 |
Slot machine with multiple symbol selection |
Apr. 28, 1992 |
| 5102134 |
Multiple tier random number generator |
Apr. 7, 1992 |
| 5085436 |
Slot machine with long and short pseudo reel strip |
Feb. 4, 1992 |
| 5083785 |
Win control method and apparatus for game machines |
Jan. 28, 1992 |
| 5074559 |
Slot machine |
Dec. 24, 1991 |
| 5067712 |
Multiple-pull slot machine |
Nov. 26, 1991 |
| 5050881 |
Slot machine |
Sep. 24, 1991 |
| 4993713 |
Game machine |
Feb. 19, 1991 |
| 4991848 |
Gaming machine with a plateaued pay schedule |
Feb. 12, 1991 |
| 4858932 |
Nonuniform probability reel stop mechanism for gaming machines |
Aug. 22, 1989 |
| 4711451 |
Reel mapping scheme for a gaming device |
Dec. 8, 1987 |
| 4679143 |
Control device for game machine |
Jul. 7, 1987 |
| 4657256 |
Slot machine with win/loss biasing means |
Apr. 14, 1987 |
| 4573681 |
Slot machine with random number generation |
Mar. 4, 1986 |
| 4448419 |
Electronic gaming device utilizing a random number generator for selecting the reel stop positions |
May. 15, 1984 |
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