US PATENT SUBCLASS 15 / 250.13
.~.~ Sweep varying or regulating means


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}
250.13.~.~ Sweep varying or regulating means


DEFINITION

Classification: 15/250.13

(under subclass 250.001) Cleaners comprising means for varying the limits between which the surface contacting member continuously moves.

(1) Note. Means for reversing the direction of travel of the cleaning element before it has reached the end of the stroke due to an obstruction on the window are classified in this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

250.12, for automatic means for controlling the speed of a motor drive means for a window cleaner.