LOOSE LEAF AND BINDER ASSEMBLY
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United States of America Patent
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Issued Date -
Sep 20, 2012
app pub date -
Dec 22, 2011
filing date -
Mar 15, 2011
priority date (Note) -
Abandoned
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Abstract
A loose leaf and binder assembly includes a binder that includes a plurality of spaced apart closed rings extending around a common line, and a connecting rod connected integrally to all of the closed rings at one side of the common line. The closed rings are free of radial slits and are non-openable at junctions of the closed rings and the connecting rod. The binder has a robust reinforced structure and can be manufactured at reduced costs.
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