Slot machine with player-friendly bonus game
US4508345A · kind A · utility
125Cited by
4References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 20, 1983 |
| Grant date | Apr 2, 1985 |
| Priority date | — |
| Expiry date | Apr 20, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/3267
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A slot machine has a plurality of rotatable reels with an annular series of symbols on the peripheral surfaces thereof. The reels rotate at high speed in an original game and at low speed in an immediately subsequent bonus game and can be brought to a stop, individually, by means of stop switches associated one with each of the reels. Therefore, in the bonus game, the player has an increased chance of causing a prize winning symbol or combination of symbols to appear in the windows in the selectively stopped positions of the reels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.