FLOOR BRISTLE BRUSH ASSEMBLY
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United States of America Patent
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Issued Date -
Jan 7, 2021
app pub date -
Mar 8, 2019
filing date -
Mar 13, 2018
priority date (Note) -
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Abstract
A brush assembly comprising a cushion pad and a plurality of brushes secured to the cushion pad. The cushion pad has a 25% compressibility within the range of 6.9 kPa (1 psi) to 2413 kPa (350 psi). At least one of the plurality of brushes comprises: a brush base, and bristles, the bristles comprising moldable polymeric material and abrasive particle additives.
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