Relief map historical game or toy
United States Patent 2674813
US Patent References:
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- - 0320564

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- - 0325041

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- - 0339741

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Inventors:
Hutchinson, Lois I.
Publication Date:
04/13/1954
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Assignee:
Hutchinson, Lois I.
Primary Class:
434/152
Other Classes:
273/282.100, 273/283, 273/287, 434/151, 273/157R, 273/156
International Classes:
A63F3/04; G09B29/12; A63F9/00
US Patent References:
0610628
0742870
1071358
1228197
2185689Map
2373258Educational map
2524548Educational device
2535619Educational toy
Foreign References:
CH3171A
GB191211052A
GB280278A
FR809542A