Title:
Modular toy structure
United States Patent 2988844
US Patent References:
Toy building-block
- - 1385154

Toy construction block
- - 1894061

Toy construction card
- - 2075259

Toy construction element
- - 2558591


Inventors:
Ernst, Frimberger
Publication Date:
06/20/1961
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Assignee:
Ernst, Frimberger
Primary Class:
446/115
Other Classes:
297/440.230, 297/440.140, 446/125
International Classes:
A63H33/06; A63H33/04