Patent classifications
G
PHYSICS
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G07
CHECKING-DEVICES
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G07F
COIN-FREED OR LIKE APPARATUS
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17/00
Coin-freed apparatus for hiring articles; Coin-freed facilities or services
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G07F17/32
for games, toys, sports, or amusements
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G07F17/326
Game play aspects of gaming systems
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G07F17/3272
Games involving multiple players
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G07F17/3276
wherein the players compete, e.g. tournament
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G07F17/3279
wherein the competition is one-to-one, e.g. match
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