Book binder and display easel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 2, 1986
Grant Date -
N/A
app pub date -
Aug 8, 1985
filing date -
Aug 8, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A book binder which has a cover, convertible to an easel having primary utility for instruction purposes. The book binder is characterized by a combined folding characteristic in the cover together with vertebrate page retainer and anchor hinge therefore. The anchor hinge is offset from the spine of the book and defines an extension strut to limit the angular relation of top and bottom segments of the cover.
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