07094148 is referenced by 209 patents and cites 137 patents.

A gaming device including a re-initiation mode wherein the probability of extending the bonus game is increased by fixing the reel or reels displaying a locking symbol on the reel. In the re-initiation mode embodiment, the gaming device re-activates some or all of the reels except the reel displaying the locking symbol for a predetermined number of additional free spins or until the reactivated reels display or indicate a terminating symbol on the reels. The gaming device provides any outcomes associated with indicated symbols or combination of symbols. In one embodiment, if a terminating symbol is displayed on designated reels during one of the additional free spins, the gaming device re-initiates the bonus game.

Title
Gaming device having a free spin game
Application Number
10/953812
Publication Number
7094148 (B2)
Application Date
September 29, 2004
Publication Date
August 22, 2006
Inventor
Ryan W Cuddy
Reno
NV, US
Michael MacVittie
Las Vegas
NV, US
Karen Michelle Cregan
Reno
NV, US
Anthony J Baerlocher
Reno
NV, US
Agent
Bell Boyd & Lloyd
Assignee
IGT
NV, US
IPC
A63F 9/24
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