Educational toy
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 28, 1987
Grant Date -
N/A
app pub date -
Oct 28, 1985
filing date -
Oct 31, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An educational toy comprises a body having a peripheral vertical wall, a guide plate secured on the body and having a plurality of radial cutouts to be passages, a connecting passage formed between the vertical wall and the guide plate to communicate with the cutouts, and a plurality of slider pieces which may be moved along the radial cutouts and the connecting passage. The slider pieces are put in different colors to enjoy learning simple calculation. The toy is applicable to a picture book with some character and sentences.
First Claim
Family
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Cited Art Landscape
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