Changeable book structure

Details Changeable book structure Changeable book structure

1989-10-02

1990-08-07

Yu, Mickey

Amusement devices: toys

Convertible from, or serving as diverse article

446110, 402 8, 281 151, A63H 3308, B42F 300

Patent

active

049464140

ABSTRACT:
A changeable book structure in which several panels are joined side-by-side by an elastic hinge to form a book. The elastic hinge may be separated from the panels. Each of the panels has color-coded slots, and certain of the panels also have color-coded tabs receivable in the slots so that the panels may be connected together to form a self-supporting structure, such as a playhouse.

REFERENCES:
patent: 535908 (1895-03-01), Kierolf
patent: 2020196 (1935-11-01), Mallgraf
patent: 2032531 (1936-03-01), Eaton
patent: 2183443 (1939-12-01), Bracker
patent: 3261066 (1966-07-01), Chamberlin
patent: 3434233 (1969-03-01), Dean et al.
patent: 3456380 (1969-07-01), Cameron
patent: 4120100 (1978-10-01), Dugan
patent: 4569664 (1986-02-01), Giampetruzzi

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