Toy building blocks

Details Toy building blocks Toy building blocks

1976-02-04

1977-06-21

Peshock, Robert

46 20, A63H 3308

Patent

active

040302369

ABSTRACT:
Toy building blocks are formed with a single row of connecting socket and plug elements. At least one of the exterior surfaces of the block is convexedly bowed and provided with a simulated wood grained structure.

REFERENCES:
patent: 729918 (1903-06-01), Braun
patent: 2088874 (1937-08-01), Schauer
patent: 2687033 (1954-08-01), Snyder
patent: 3717948 (1973-02-01), Schnabel

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