Connector for a toy building block

Details Connector for a toy building block Connector for a toy building block

1998-04-16

1999-06-22

Barkai, Raphael

Games, toys, and sports goods

Toy

Representation or scale model

D21504, 2101

Patent

active

D04112610

REFERENCES:
patent: D227528 (1973-07-01), Wahl
patent: D245477 (1977-08-01), Mullenax
patent: D371400 (1996-07-01), Host
patent: D377671 (1997-01-01), Gabriel
patent: 879455 (1908-02-01), Frost
patent: 1422146 (1922-07-01), Tackenberg
patent: 1736134 (1929-11-01), Rutherford
patent: 2132647 (1938-10-01), Robins
patent: 3487579 (1970-01-01), Brettingen
patent: 3986293 (1976-10-01), Rieur
patent: 4552541 (1985-11-01), Bolli
patent: 4886477 (1989-12-01), Ziegler
patent: 4964834 (1990-10-01), Myller
patent: 5057049 (1991-10-01), Kaczperski
patent: 5779515 (1998-07-01), Chung

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