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US 3167440

How Play-Doh Was Invented

The original 1965 patent for the soft, non-toxic modeling compound known as Play-Doh, detailing a specific mixture of flour, water, salt, and kerosene.

Statusexpired

Granted1965

Expires1980

Claims2

Forward citations29

Prior art7

AssigneeRainbow Crafts Inc

InventorsNoah W Mcvicker, Joseph S Mcvicker

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