US PATENT SUBCLASS 446 / 2
DOMINO EFFECT
Current as of: June, 1999
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DEFINITION
Classification: 446/2
DOMINO EFFECT:
(under the class definition) Device including a plurality of elements which are located or are intended to be located adjacent one another in an upright position, wherein the method of operation is to upset one which results in the toppling of the others in sequence.
