Toy building block puzzle

Details Toy building block puzzle Toy building block puzzle

1996-01-03

1997-08-05

Hafer, Robert A.

Amusement devices: toys

Construction toy

Interfitting elements

446128, 446 85, A63H 3308

Patent

active

056536216

ABSTRACT:
A toy building block puzzle includes a first plurality of differently shaped tall hollow blocks which include lugs and slots on side walls thereof and protrusions and recesses on respective upper and lower sides thereof by which blocks of same or different shapes may be detachably interconnected to each other in vertical and horizontal planes. A second plurality of building elements comprises of adapters shaped as rods to increase permutations of interconnection between the blocks of the first group.

REFERENCES:
patent: 2406759 (1946-09-01), Glukes
patent: 2885822 (1959-05-01), Onanian
patent: 3252287 (1966-05-01), Suzuki
patent: 3583091 (1971-06-01), Brockway
patent: 5267863 (1993-12-01), Simmons, Jr.

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