Figure plate set
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United States of America Patent
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Sep 13, 2016
Grant Date -
Jun 18, 2015
app pub date -
Feb 24, 2015
filing date -
Sep 14, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a figure plate set for learning that comprises a first triangular plate (1) having an angle of 45°, an angle of 45°, and an angle of 90° and a second triangular plate (2) having an angle of 30°, an angle of 60°, and an angle of 90°. A length of one of two orthogonal sides (7, 8) of the first triangular plate (1) is same as a length of one of two orthogonal sides (14, 16) of the second triangular plate. A new triangular shape can be formed by combining the first triangular plate (1) and the second triangular plate (2).
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