Hollow reinforced nestable building block
United States Patent 3412502
US Patent References:
Giant-size toy block
- - 2751705
Toy building brick
- - 3005282
Molded plastic container
- - 3043354
Giant-size toy block
- - 2751705
Toy building brick
- - 3005282
Molded plastic container
- - 3043354
Inventors:
Riches, Clay E.
Publication Date:
11/26/1968
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Primary Class:
Other Classes:
297/339, 446/124, 108/53.300, 297/239, 297/DIG.002
International Classes:
A63H33/08; A63H33/04