POLUS GAME-PUZZLE Russian patent published in 1995 - IPC

Abstract RU 2033230 C1

FIELD: development of logical thinking. SUBSTANCE: game has circular flat washers, mainly, of same thickness but different in diameter, installed concentrically for independent angular turning relative to one another round one axle. Free surfaces of washers have marks and also, at least, two counters with marks on rear side. EFFECT: higher efficiency. 13 cl, 4 dwg

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RU 2 033 230 C1

Authors

Proskurov Valerij Stepanovich

Dates

1995-04-20—Published

1990-10-16—Filed