Toy building blocks
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 2, 1997
Grant Date -
N/A
app pub date -
Nov 13, 1995
filing date -
Nov 13, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A toy building block is constructed by folding an integral paperboard blank. The toy building block includes locking tabs and complementary-shaped openings, with the tabs of one toy building block received in the openings of another toy building block.
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Cited Art Landscape
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