Binding structure for binding sheets
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United States of America Patent
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May 24, 2011
Grant Date -
Jun 11, 2009
app pub date -
Dec 6, 2007
filing date -
Dec 6, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A binding structure for binding sheets to form a book or the like, includes a pair of hard covers, at least one of which has a slide groove, and a middle sheet member connected between the hard covers and extending slidably into the slide groove. The middle sheet member has a spine portion that is exposed between the hard covers when the hard covers are in a closing position and that is concealed at least partially within the slide groove when the hard covers are in an opening position.
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