Patent classifications
A
HUMAN NECESSITIES
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A63
SPORTS; GAMES; AMUSEMENTS
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A63F
CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
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7/00
Indoor games using small moving playing bodies, e.g. balls, discs or blocks
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A63F7/34
Other devices for handling the playing bodies, e.g. bonus ball return means
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A63F2007/345
Ball return mechanisms; Ball delivery
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