US PATENT SUBCLASS 15 / 104.52
.~.~.~ With rigid supporting frame

Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

104.001  DF  IMPLEMENTS {28}
104.5  DF  .~ Comb cleaners {1}
104.51  DF  .~.~ Multiple strand type {1}
104.52.~.~.~ With rigid supporting frame {2}
104.53  DF  .~.~.~.~> With attached brush
104.54  DF  .~.~.~.~> Non-planar groups of strands

DEFINITION

Classification: 15/104.52

(under subclass 104.51) Devices in which the supports at each end are integrally connected to form a rigid frame.