Gaming device holding reels with trigger symbols and providing free reel spins

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8246447
APP PUB NO 20070155474A1
SERIAL NO

11311962

Stats

ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A game variation played on a gaming device displaying reels is disclosed. The game grants awards to the player for certain combinations of symbols. When a player gets one or more special symbols in an initial game, the player gets a free spin of one or more reels while the reels that display the special symbols are held. The player continues to get free spins as long as additional special symbols are displayed after each spin. The player may be granted awards for winning symbols combinations after each spin. In one embodiment, a certain number of special symbols across a payline awards the player a jackpot. In another embodiment, the game is a bonus game where any reels containing special, or trigger, symbols are shifted by one position after each free spin and then held for the next free spin. Only reels that do not display a trigger symbol are spun. The bonus game ends when there are no more trigger symbols displayed. The game may be played on a video gaming machine or a motor-driven reel machine. Various embodiments are described herein.

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Patent Owner(s)

Patent OwnerAddress
GTECH GERMANY GMBHRAVENSBERGER STRASSE 41 LUBBECKE 32312

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gauselmann, Michael Espelkamp, DE 69 5620

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