Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers
Patent
1998-07-28
1999-08-31
Fridie, Jr., Willmon
Books, strips, and leaves
Book, element thereof, or accessory therefor
Covers
281 36, 281 46, 281 151, 281 211, 281 35, 281 45, B42F 304, B42F 900, B42D 306
Patent
active
059443537
ABSTRACT:
A document cover formed of a thin sheet material of synthetic resin, includes a front cover portion, a rear cover portion, and a fold portion formed in a boundary portion between the front cover portion and the rear cover portion. The fold portion includes a plurality of fold lines formed at intervals, whereby the cover can be folded easily in the vicinity where documents are bound, and after the front portion of the cover is once opened, the opened state of the cover can be held as it is.
REFERENCES:
patent: 5433481 (1995-07-01), Corbishley
Fridie Jr. Willmon
Henderson Mark T.
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