Toy construction block set
United States Patent 3224137
US Patent References:
Construction toy
- - 1732799

Wooden toy train construction
- - 2596957

Toy building brick
- - 2800743

Construction toy
- - 2833082

Toy block set
- - 2940211


Inventors:
Wright, John H.
Stowe, Myers Charles
Publication Date:
12/21/1965
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Assignee:
SPALDING & BROS INC AG
Primary Class:
446/94
Other Classes:
446/124
International Classes:
A63H33/08; A63H33/04
US Patent References:
3000134Toy building blocks
3020672Collapsible toy bridge
3032919Building elements for toys, replicas and like articles
3080674Building blocks
Foreign References:
AU229861B
AU907744B
GB191127202A
GB269162A
GB614569A
FR1206687A
DE615304C