Three-dimensional pocketknife puzzle
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United States of America Patent
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Issued Date -
Sep 30, 2010
app pub date -
Mar 23, 2010
filing date -
Mar 24, 2009
priority date (Note) -
Abandoned
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Abstract
A pocketknife puzzle or kit is provided having a blade and spring, sandwiched between two handle sections and held in place by three pins. The pins are held in place by friction, resulting from the tension of the spring against the pivoting end of the blade. The pocketknife may be assembled and disassembled without tools.
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