US PATENT SUBCLASS 15 / 250.202
.~.~ Pressure adjusting means for 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}
250.202.~.~ Pressure adjusting means for cleaning element {1}
250.203  DF  .~.~.~> Operated by remote control

DEFINITION

Classification: 15/250.202

Pressure adjusting means for cleaning element:

(under subclass 250.001) Apparatus including means to change the contact force between the cleaner and the associated optical member.