Title:
Magnetic playing pieces
United States Patent 2665913


Inventors:
Ludvik, Hlavac
Application Number:
US25169151A
Publication Date:
01/12/1954
Filing Date:
10/17/1951
Assignee:
Ludvik, Hlavac
Primary Class:
Other Classes:
235/90, 273/289, 428/900, 446/129, D21/388
International Classes:
A63F3/02
View Patent Images:
US Patent References:
2472916Electromagnetic checkerboard1949-06-14
2444517Playing piece1948-07-06
2399041Game board for the blind1946-04-23
2157589Game1939-05-09
1605703Checker game1926-11-02