Title:
Toy building blocks
United States Patent 3000134


Inventors:
Richard, Marini
Application Number:
US64302657A
Publication Date:
09/19/1961
Filing Date:
02/28/1957
Assignee:
GUILD ARTS AND CRAFTS INC
Primary Class:
Other Classes:
220/23.4, 446/95, 446/112
International Classes:
A63H33/10
View Patent Images:
Foreign References:
GB178591A1922-04-27
GB592876A1947-10-01