Rigid Urethane Self-Skinning Foam Cart Assembly
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United States of America Patent
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Issued Date -
Jul 21, 2016
app pub date -
Feb 12, 2016
filing date -
Nov 9, 2010
priority date (Note) -
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Abstract
A wheeled platform is disclosed having a generally planar body having a top side, a bottom side and a peripheral edge, the top side adapted to support an item, the bottom side has a plurality of wheels extending therefrom, and a portion of the peripheral edge has a retaining member. The body is made from a thermoset foam material varying in density along the thickness with the highest density being proximate the outer surfaces.
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