US PATENT SUBCLASS 15 / 250.22
.~.~ Rotating cleaning element

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

246  DF  ATTACHMENTS {8}
250.001  DF  .~ Optical-member-attachable cleaner (e.g., windshield wiper) {28}
250.22.~.~ Rotating cleaning element

DEFINITION

Classification: 15/250.22

(under subclass 250.001) Cleaners wherein the surface contacting member is mounted to turn through at least 360 degrees about an axis of rotation.