Construction toy window block

Details Construction toy window block Construction toy window block

1988-09-16

1990-05-29

Rademaker, Charles A.

Games, toys, and sports goods

Toy

Representation or scale model

Patent

active

D03082342

REFERENCES:
patent: D224029 (1972-06-01), Gale et al.
patent: D274444 (1984-06-01), Symons
patent: D285585 (1986-09-01), Murdough, Jr., et al.
patent: D285586 (1986-09-01), Murdough, Jr. et al.
patent: D285587 (1986-09-01), Murdough, Jr. et al.
patent: 1894061 (1933-01-01), Sanders
patent: 2057942 (1936-10-01), Fay
patent: 3442044 (1969-05-01), Quercetti
patent: 3701214 (1972-10-01), Sakamoto
patent: 3819188 (1974-06-01), Freedman
patent: 4185410 (1980-01-01), Kristiansen
patent: 4731041 (1988-03-01), Ziegler
P. 81, 1981 Product Catalog, Learning Products Inc., 10845 Bavr Blvd., St. Louis, Mo., 63132. Publication date 1981.
P. 111, 1981-1982 ABC School Supply Inc., Catalog, 6500 Peachtree Industrial Blvd., Norcross, Ga. 30071. Publication date 1981.
P. 61, 1984-1985 Constructive Playthings Catalog, 1227 E. 119th St. Grandview, Mo. 64030. Publication date 1984.

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