Building block

Details Building block Building block

1980-08-04

1983-05-03

Shay, F. Barry

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

52590, 52609, 273157R, A63H 3308

Patent

active

043816193

ABSTRACT:
A substantially rectangular-shaped building block, particularly well adapted for use in a set of identical toy building blocks, having a length, to width, to thickness ratio in the nature of 3 to 2 to 1, and having each of the four corner portions identical in cross-sectional size and shape to an indentation in the center portion of each of the four sides of the rectangle.

REFERENCES:
patent: D155329 (1949-09-01), Bindman
patent: D169482 (1953-05-01), Henke et al.
patent: 169709 (1877-06-01), Kinsey
patent: 430502 (1890-06-01), Altekruse
patent: 1428206 (1922-09-01), Benton
patent: 1562006 (1925-11-01), Sichterman
patent: 1894605 (1933-01-01), Wright
patent: 2147237 (1939-02-01), Bluthardt
patent: 2278327 (1942-03-01), Magnus et al.
patent: 3410021 (1968-11-01), Patterson
patent: 3449857 (1969-06-01), De Christopher
patent: 3819188 (1974-06-01), Freedman
patent: 3838535 (1974-10-01), Larws

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