Model structure
United States Patent 3079706
US Patent References:
/0312851.html
- - 0312851

/0739669.html
- - 0739669

/1241594.html
- - 1241594

/1714256.html
- - 1714256

Toy building block
- - 1902136


Inventors:
Hayes, William R.
Publication Date:
03/05/1963
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Assignee:
Hayes, William R.
Primary Class:
434/76
International Classes:
A63H33/04; G09B25/04; G09B25/00
US Patent References:
2019425Sound producing box
2089028Miniature structure
2559261Architectural model construction set
2751705Giant-size toy block
Foreign References:
GB569954A