Loose-leaf binder

Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers

Patent

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Details

281 29, 281 211, 281 45, 402 73, B42D 300

Patent

active

059382414

ABSTRACT:
A plurality of U-shaped springs are hingedly attached by the arms of the U to a pair of covers forming a hinge on each cover and a channel configured to receive an article in the channel through the hinges.

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