Title:
WORD FORMING PUZZLE APPARATUS
United States Patent 3524648


Inventors:
Nilan, John O.
Application Number:
US3524648DA
Publication Date:
08/18/1970
Filing Date:
04/11/1967
Assignee:
SPRINGLOK EDITIONS INC
Primary Class:
Other Classes:
273/239, 273/272, 273/282.2
International Classes:
A63F3/02; (IPC1-7): A63F3/00; A63F9/06
View Patent Images:
Foreign References:
AT138774B1934-09-25
GB775170A1957-05-22