Interlocking plastic building block

Details Interlocking plastic building block Interlocking plastic building block

1995-06-29

1998-01-13

Barkai, Raphael

Games, toys, and sports goods

Toy

Representation or scale model

2101

Patent

active

D03892018

REFERENCES:
patent: D4058 (1870-05-01), Ellis
patent: D181962 (1958-01-01), Ehrmann
patent: D214625 (1969-07-01), Muse
patent: D238168 (1975-12-01), Ketchman
patent: D282264 (1986-01-01), Wiese
patent: D336140 (1993-06-01), Lavery
patent: 2132647 (1938-10-01), Robins
patent: 3513590 (1970-05-01), Fischer
patent: 4107894 (1978-08-01), Mullins
patent: 4171591 (1979-10-01), Fischer
patent: 4690656 (1987-09-01), Friedman et al.

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