Method of extending play of a slot machine game
US7887407B1 · kind B1 · utility
7Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2006 |
| Grant date | Feb 15, 2011 |
| Priority date | — |
| Expiry date | May 9, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/3288
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention extends a slot machine game by providing an initial opportunity to form winning symbol combinations and then, if any winning combinations appear in the symbol matrix, providing one or more subsequent opportunities by removing and replacing the symbols comprising the winning combinations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.