Title:
Folded blank structure for interlocking toy construction elements
United States Patent 2874512
Inventors:
Joseph, John L.
Irving, Dorfman
Publication Date:
02/24/1959
Export Citation:
Click for automatic bibliography generation
Assignee:
BRRR PRODUCTS CO INC
Primary Class:
446/106
Other Classes:
446/487
International Classes:
A63H33/08; A63H33/16; A63H33/00; A63H33/04
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US Patent References:
2278327Toy block
2141399Miniature structure and blank therefor
1604391Toy building block
1562006Educational building construction set