EP0338743A3
Nonuniform probability reel stop mechanism for gaming machines
Abstract
A digital memory (24) stores a stop index for each reel stop. A microprocessor (20) randomly selects a stop index value, and includes means for predetermining the probability of selection of each of the stop indexes. The microprocessor (20) controls reel control mechanism (38) on initiation through a handle sensor and an input/output board 34.
Term
Term ended
Projected expiry passed 17 April 2009, 17.4 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0061052A2 | Cites | European Patent Office (EPO) | A | Search report |
| EP0122138A2 | Cites | European Patent Office (EPO) | A | Search report |
| US4095795A | Cites | United States of America | A | Search report |
8 members in 4 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 184240 | United States of America | – | |
| 18424088 | United States of America | A | |
| US19880184240 | – | – | – |
Members8
| Document | Office | Kind | |
|---|---|---|---|
| US4858932A | United States of America | A | |
| EP0338743A2 | European Patent Office (EPO) | A2 | |
| AU3325389A | Australia | A | |
| EP0338743A3This record | European Patent Office (EPO) | A3 | |
| AU616260B2 | Australia | B2 | |
| EP0338743B1 | European Patent Office (EPO) | B1 | |
| DE68923118D1 | Germany | D1 | |
| DE68923118T2 | Germany | T2 |
20 legal events, as 2 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Patent expired after termination of 20 yearsExpiredPE20 | PE20 | GB | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| European patent in force as of 2002-01-01IF02 | IF02 | GB | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Fr: translation filedET | ET | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 0338743
- Publication, DOCDB
- 0338743
- Publication, EPODOC
- EP0338743
- Application
- 303762
- Application, DOCDB
- 89303762
- Application, EPODOC
- EP19890303762
Titles3
- English
- Nonuniform probability reel stop mechanism for gaming machines
- German
- Rollensperrvorrichtung durch ungleichförmige Wahrscheinlichkeit für Spielautomaten
- French
- Mécanisme d'arrêt de rouleau par probabilité non uniforme pour machines de jeux
Classification
- CPC, 1
- G07F17/3244
- IPC, 1
- G07F17 32
Designated states3
- Contracting states, 3
- Germany
- France
- United Kingdom