Toy construction blocks with connectors

Details Toy construction blocks with connectors Toy construction blocks with connectors

1989-06-02

1990-10-23

Hafer, Robert A.

Amusement devices: toys

Construction toy

Including substrate for construction elements

446128, 446125, A63H 3308, A63H 3306

Patent

active

049648330

ABSTRACT:
A toy construction set featuring a base plate with upstanding connecting circular plugs with a plurality of different shaped blocks is disclosed. The blocks have a plurality of shapes to include a square, a half square, a triangle, a circle, and a half circle. The tops of these blocks may have similar plug connectors or may be flat. The underside of the blocks will have a plurality of receptacles to engage plugs underneath. The receptacles will be either ribs converging from the sidewalls or will be a curved portion of the sidewall itself acting to positively engage the plugs beneath, or a combination of both.

REFERENCES:
patent: 3233358 (1966-02-01), Dehm
patent: 3391824 (1968-07-01), Wiseman
patent: 3552055 (1971-01-01), Matsubayashi et al.
patent: 3962817 (1976-06-01), Vullierme
patent: 4164091 (1979-08-01), Lin
patent: 4306372 (1981-12-01), Lin
patent: 4744780 (1988-05-01), Volpe

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