TOY BLOCKS WITH MEANS PERMITTING GREATER TOLERANCE IN THE ALIGNMENT OF MALE AND FEMALE CONNECTORS
United States Patent 3481068
Inventors:
Paulson, Nils I.
Publication Date:
12/02/1969
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Export Citation:
Assignee:
PLAYSKOOL INC
Primary Class:
Other Classes:
52/592.300
International Classes:
A63H33/08; A63H33/04; A63H33/08
Foreign References:
| CA700091A | ||||
| GB190917634A | ||||
| GB676469A | ||||
| AU128398B | ||||
| FR1357579A | ||||
| GB883895A | ||||
| GB890771A | ||||
| GB935308A | ||||
| GB976761A | ||||
| GB996811A |