Jigsaw puzzle
OwnerMorgan Changinventor
Life of this patent
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Abstract
A jigsaw puzzle including a base, a number of conductors disposed on the base and arranged in a line, a switch disposed between every two adjacent conductors, a number of jigsaw pieces can be disposed upon the switch, a sounding device connected between two of the conductors and sending out a sound when all of the switches are depressed by the jigsaw pieces and when all of the jigsaw pieces are correctly disposed in place.
Claims6
A jigsaw puzzle comprising a base, a plurality of conductors disposed on said base and arranged in a line and including a first conductor and a last conductor, a first switching means disposed between every two adjacent conductors, a plurality of jigsaw pieces which can be disposed upon said first switching means, a sounding means connected between said first conductor and said last conductor, and said sounding means sending out a sound when all of said first switching means are depressed by all said jigsaw pieces and when all of said jigsaw pieces are correctly disposed in place.
Dependencies are inferred from the claim text.