Gaming machines with bonusing

• US 6,059,289 A
• Filed: 07/01/1999
• Issued: 05/09/2000
• Est. Priority Date: 03/06/1998
• Status: Expired due to Term

• Current Assignee: IGT (International Game Technology)
• Original Assignee: Mikohn Gaming Corporation (International Game Technology)
• Inventors: Vancura, Olaf
• Primary Examiner(s): LAYNO, BENJAMIN
• Application Number:
  US09/346,210
• Time in Patent Office: 313 Days
• Field of Search: 273/143 R, 273/138.2, 463/20
• US Class Current: 273/143.00R
• CPC Class Codes: G07F 17/32 for games, toys, sports, or amusements
• CPC Class Codes: G07F 17/3244 Payment aspects of a gaming system, e.g. payment schemes, setting payout ratio, bonus or consolation prizes
• CPC Class Codes: G07F 17/3267 Game outcomes which determine the course of the subsequent game, e.g. double or quits, free games, higher payouts, different new games
• CPC Class Codes: G07F 17/34 depending on the stopping of moving members in a mechanical slot machine, e.g. "fruit" machines

Abstract

A method is set forth for playing a bonus game in a secondary slot machine adjacent a primary slot machine. The primary slot machine issues a bonus qualifying signal to the secondary slot machine to start play of a bonus game when a bonus qualifying event occurs. The reels of the bonus game include value symbols, null symbols, and end game symbols which may be of two basic types: a lose game symbol and a stop game symbol. After the random spin, the values of any value symbols displayed on the payline of the secondary slot machine are accumulated into an accumulated winning value. The value symbols could include positive integer values, negative integer values, and multiples. The random spinning, determination of values of any value symbol and the accumulation of a winning value is repeatedly continued until an end of the bonus game occurs.

Claims

1. A method for playing a bonus game in a secondary slot machine adjacent a primary gaming machine, the secondary slot machine having a plurality of reels, the primary gaming machine issuing a bonus qualifying signal to the secondary slot machine to start play of the bonus game, said method comprising the steps of:

a. starting play of the bonus game in response to the bonus qualifying signal from the primary gaming machine,

b. randomly spinning the plurality of reels in the secondary slot machine, the plurality of reels at least including value symbols and null symbols, the number of null symbols controlling the length of the bonus game,

c. determining values in any value symbols displayed in any of plurality of reels of the secondary slot machine in response to the step of randomly spinning,

d. accumulating in the secondary slot machine the determined values to an accumulated winnings value,

e. repeating in the secondary slot machine steps b, c, and d until the bonus game ends,

f. awarding the accumulated winnings value in response to ending the bonus game.

2. The method of claim 1 wherein the value symbols null symbols are displayed on a payline in the secondary gaming machine.

3. The method of claim 2 wherein the value symbols include positive integer values.

4. The method of claim 2 wherein the value symbols include negative integer values.

5. The method of claim 2 wherein the value symbols include multipliers.

6. The method of claim 2 wherein at least one lose game symbol appears on each of the plurality of reels.

7. The method of claim 2 wherein at least one lose game symbol appears on at least one of the plurality of reels.

8. A method for playing a bonus game in a secondary slot machine having a plurality of reels when a primary gaming machine issues a bonus qualifying signal, said method comprising the steps of:

a. starting play of the bonus game in response to the issuing of the bonus qualifying signal,

b. randomly spinning the plurality of reels in the secondary slot machine, the plurality of reels at least including value symbols, stop game symbols, and null symbols,

c. determining the values in any value symbols displayed in any of plurality of reels of the secondary slot machine in response to the step of randomly spinning,

d. accumulating in the secondary slot machine the determined values to an accumulated winnings value,

e. repeating in the secondary slot machine steps b, c, and d until a stop game symbol appears in any of plurality of reels of the secondary slot machine,

f. awarding the accumulated winnings in response to ending the bonus game.

9. The method of claim 8 wherein the value symbols, null symbols and stop game symbols are displayed on a payline in the secondary gaming machine.

10. The method of claim 8 wherein the value symbols include positive integer values.

11. The method of claim 8 wherein the value symbols include negative integer values.

12. The method of claim 8 wherein the value symbols include multipliers.

13. The method of claim 8 wherein at least one lose game symbol appears on each of the plurality of reels.

14. The method of claim 8 wherein at least one lose game symbol appears on at least one of the plurality of reels.

15. A method for playing a bonus game in a secondary slot machine having a plurality of reels when a primary gaming machine issues a bonus qualifying signal, said method comprising the steps of:

a. starting play of the bonus game in response to the bonus qualifying signal,

b. randomly spinning the plurality of reels in the secondary slot machine, the plurality of reels at least including value symbols, stop game symbols, and null symbols, the number of null symbols controlling the length of the bonus game, the value symbols including positive integer values, negative integer values, and multipliers,

c. determining the values in any value symbols displayed on a payline in any of plurality of reels of the secondary slot machine in response to the step of randomly spinning,

d. accumulating in the secondary slot machine the determined values to an accumulated winnings value,

e. repeating in the secondary slot machine steps b, c, and d until a stop game symbol appears in any of plurality of reels of the secondary slot machine,

f. ending the bonus game,

g. awarding the accumulated winnings in response to ending the bonus game.