Building block toy

Details Building block toy Building block toy

1986-05-27

1987-10-13

Kannan, Philip C.

Amusement devices: toys

Having separable nested parts

446117, A63H 3300, A63H 3304

Patent

active

046996010

ABSTRACT:
A toy comprises a set of building blocks of progressively-decreasing sizes each of hollow configuration and open at its opposite ends. Each block is formed with an outwardly-extending peripheral flange at one end and an inwardly-extending peripheral flange at its opposite end, the dimensions of the blocks and flanges being such as to permit them to be assembled in a configuration wherein the blocks increase in size or in another configuration wherein they decrease in size.

REFERENCES:
patent: 264066 (1882-09-01), Crandall
patent: 2278894 (1942-04-01), Paulson
patent: 3407514 (1968-10-01), Christian
patent: 3946516 (1976-03-01), Wirth
patent: 4203525 (1980-05-01), Okubo

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