Variable book

Details Variable book Variable book

1995-08-23

1998-03-10

Han, Frances

Books, strips, and leaves

Book, element thereof, or accessory therefor

Binding

281 151, 281 38, 402 79, B42F 300, B42F 500

Patent

active

057251967

ABSTRACT:
A book having concertina folded sheets which are detachably connected to one another. The opposed edges of the sheets are connected by removable fasteners or an adhesive permitting the adjacent sheets to be readily separated.

REFERENCES:
patent: D346180 (1994-04-01), Sandoval
patent: 1719412 (1929-07-01), Wigginton
patent: 2330457 (1943-09-01), Tremblett
patent: 3972632 (1976-08-01), Carter
patent: 4019823 (1977-04-01), Kleinert et al.
patent: 4620725 (1986-11-01), Maehashi

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