Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers
Patent
1997-05-12
1999-06-22
Fridie, Jr., Willmon
Books, strips, and leaves
Book, element thereof, or accessory therefor
Covers
281 37, 402 79, B42D 300
Patent
active
059135409
ABSTRACT:
A document holder is formed from a single sheet of flat stock folded a plurality times by mutually parallel, transverse folds that together form front and rear pockets. One of the transverse folds delineates the bottom of the front pocket, while another of the transverse folds delineates the bottom of the rear pocket. The bottoms of the front and rear pockets are spaced from each other in a direction perpendicular to the transverse folds a distance of at least about one-half of one inch. Both pockets have opposing sides. At least one of the sides of each of the pockets is closed. By longitudinally spacing the pocket bottoms from each other, stress on the structure of the pockets is greatly reduced when thick documents are inserted into the pockets. The reduction of stress in the structure of the flat sheet of stock forming the document holder markedly prolongs its useful life.
REFERENCES:
patent: 4520958 (1985-06-01), Jones et al.
patent: 4852740 (1989-08-01), Sellar et al.
patent: 5417509 (1995-05-01), Schwartz
patent: 5586829 (1996-12-01), Schwartz
patent: 5660514 (1997-08-01), Wilson
Fridie Jr. Willmon
Thomas Charles H.
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