Pocket liner

Details Pocket liner Pocket liner

1997-10-15

1999-08-24

Fridie, Jr., Willmon

Books, strips, and leaves

Book, element thereof, or accessory therefor

Leaves

281 31, 281 37, 402 79, B42D 1500, B42D 1508

Patent

active

059415711

ABSTRACT:
In an element for a book which includes a sheet having a slit configured for receiving an item through the sheet, the improvement includes the slit going to two folds of the sheet along fold lines that are transverse to the slit, the folds being at angles that are 90 degrees or less.

REFERENCES:
patent: 2226976 (1940-12-01), Leaming
patent: 4232463 (1980-11-01), Spees
patent: 4571867 (1986-02-01), Williams
patent: 4852740 (1989-08-01), Sellar et al.
patent: 4991767 (1991-02-01), Wyant
patent: 5029900 (1991-07-01), Axelrod
patent: 5199743 (1993-04-01), Rosinski, III
patent: 5586829 (1996-12-01), Schwartz

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