Metric block toy
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 13, 1989
Issued Date -
N/A
app pub date -
Jun 16, 1988
filing date -
Jun 16, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A metric block toy comprising ten blocks of varying colors, each block being a one tenth of a meter cube, and having indicia designating ten centimeter increments along one edge of each block, together with other legends designating the length of the edge invarying metric terms. The blocks, when placed in aligned relation, indicate the total length of one meter.
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Cited Art Landscape
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