Joining apparatus with rotatable magnet therein and built-up type toy with the same
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United States of America Patent
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Jul 20, 2010
Grant Date -
May 15, 2008
app pub date -
Jan 10, 2008
filing date -
Jan 14, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
are joined with each other by magnetic force thereof.The built-up type toy of the present invention provides the effects that it is easy to assemble and disassemble, the assemble state is not likely to be demolished easily, and it is helpful to develop the initiative of infant as it can be assemble to various shapes.
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Family
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Cited Art Landscape
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