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United States of America Patent
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Issued Date -
Feb 14, 2019
app pub date -
Oct 22, 2018
filing date -
May 8, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a top generating a clear collision sound when the top collides with another top so as to make playing with a top more exciting, and having an improved fastening structure for a metal wheel on the top so as to allow the metal wheel to sufficiently vibrate when the top collides.
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