Changeable book structure
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United States of America Patent
Stats
-
Aug 7, 1990
Grant Date -
N/A
app pub date -
Oct 2, 1989
filing date -
Oct 2, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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