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Display device for a rain tire

  • US 5,174,760 A
  • Filed: 01/30/1992
  • Issued: 12/29/1992
  • Est. Priority Date: 01/30/1992
  • Status: Expired due to Fees
First Claim
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1. A device for illustrating the ability of different objects to move through a fluid comprising(a) a sealed rectangular box having a bottom, two sides, two ends and a lid,(b) pivoting means associated with said box adapted to alternately rotate one end of said box higher than the other,(c) cylindrical objects made to resemble tires disposed side by side in said box, and(d) a fluid contained within said box to provide resistance to said different objects in their movement through the box,wherein at least one of said ends, said sides, lid or bottom is adapted to permit viewing of said objects as they move through said box.

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