Loose-leaf binder and process of producing same
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United States of America Patent
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Issued Date -
Nov 4, 2021
app pub date -
Jul 14, 2021
filing date -
Jun 7, 2021
priority date (Note) -
Published
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Abstract
A loose-leaf binder includes a front cover; a back cover; a coupler including a first connecting element, a second connecting element, and a covering member interconnecting the first connecting element and the second connecting element; and an enhancement member disposed in the covering member. The front cover is coupled to the first connecting element; and the back cover is coupled to the second connecting element. There are further provided two folding members each disposed between the first connecting element and the covering member or between the second connecting element and the covering member.
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