Patent US4889339A successfully refreshed from Google Patents.
US4889339A
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Slot machine
Assignee: Universal Entertainment Corp
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Filing: 1986-05-07
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Granted: 1989-12-26
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Expires: 2006-05-07
Abstract
Abstract A slot machine has a single stop button which is manipulated by a player every time it is desired to stop a plurality of moving symbol columns one after another. A selection device selects a symbol column to be stopped every time the stop button is manipulated. A stop device stops the movement of the symbol column selected by the selection device. The player can stop all of the symbol columns sequentially in a predetermined order by manipulating the single stop button as many times as the number of symbol columns.
Inventors
- 👤 Kazuo Okada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:57
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/32; G07F17/34
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
164 words
In a slot machine of the type in which a plurality of symbol columns are moved and sequentially stopped, and when stopped and a winning combination of symbols occurs on a winning line a predetermined number of coins is paid out, the improvement comprising: a single stop button manipulable by a player for stopping one after another said plurality of symbols columns in a predetermined sequence such that a first manipulation by a player will stop one of said plurality of symbol columns, and each subsequent manipulation will stop a different one of said plurality of symbol columns until the entire said plurality of symbol columns is stopped; selection means internal to the machine for selecting each of said plurality of moving columns to be stopped, responsive to the cumulative number of manipulations of said stop button; and stop means for stopping each of the said plurality of symbol columns selected by said selection means, said stop means operating responsive to said selection means.
Claim 2
Dependent Claim
164 words
In a slot machine of the type in which a plurality of symbol columns are moved and sequentially stopped, and when stopped and a winning combination of symbols occurs on a winning line a predetermined number of coins is paid out, the improvement comprising: a single stop button manipulable by a player for stopping one after another said plurality of symbols columns in a predetermined sequence such that a first manipulation by a player will stop one of said plurality of symbol columns, and each subsequent manipulation will stop a different one of said plurality of symbol columns until the entire said plurality of symbol columns is stopped; selection means internal to the machine for selecting each of said plurality of moving columns to be stopped, responsive to the cumulative number of manipulations of said stop button; and stop means for stopping each of the said plurality of symbol columns selected by said selection means, said stop means operating responsive to said selection means.
Claim 3
Dependent Claim
22 words
An apparatus according to claim 2, wherein said symbol column comprises a plurality of symbols disposed on the periphery of a reel.
Claim 4
Dependent Claim
17 words
An apparatus according to claim 2, wherein said reel is driven in rotation by a stepping motor.
Claim 5
Dependent Claim
21 words
An apparatus according to claim 3, wherein said stop means terminates the delivery of driving pulses supplied to said stepping motor.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-12-25 | 1993-06-26 | 1993-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-12-25 | 1997-06-26 | 1997-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-12-25 | 2001-06-26 | 2001-12-26 | $7700.00 | Window Closed / Lapsed |