Building block system magnetic

Details Building block system magnetic Building block system magnetic

1990-11-07

1992-02-18

Muir, David N.

Amusement devices: toys

Construction toy

Including electrical feature or assembly

446118, 446129, 446137, A63H 3304, A63H 3306, A63H 3326

Patent

active

050889516

ABSTRACT:
Building block system, magnetically held together, comprising a base plate (1) and at least one building block (2). The base plate (1) comprises a magnetizable metal core (3) and at least one building block (2) comprises at least one magnetizable metallic joining element (4) placed inside the building block. The metal core (3) of the building block system is preferably electrically magnetizable and the parts of the system have smooth surfaces.

REFERENCES:
patent: 2600951 (1952-06-01), Edwards
patent: 3210080 (1965-10-01), Rael et al.
patent: 3237345 (1966-03-01), Feliziani
patent: 3594940 (1971-07-01), Yonezawa
patent: 3744795 (1973-07-01), Lipscomb
patent: 4878878 (1989-11-01), Bittner

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