Symbol and reel substitution methods for multi-line slot machines
US9022852B1 · kind B1 · utility
4Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2012 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Nov 6, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/34
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method of operating a slot machine, and a slot machine in which the method may be used. One or more symbols on a reel are replaced with symbols prescribed by a selected schema. The schema may be selected randomly, or according to a weighted probability, or according to a count of recent plays. All symbols of one type may be replaced with one other type of symbol, or with a variety of different symbols as prescribed by the schema. A symbol stack may be replaced with another symbol stack. Symbols may be replaced on one, several, or all of the reels that make up the display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.