US PATENT SUBCLASS 15 / 250.39
.~.~.~ Adjustable length

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}
250.361  DF  .~.~ Cleaning element structure {7}
250.39.~.~.~ Adjustable length

DEFINITION

Classification: 15/250.39

(under subclass 250.361) Cleaners with selective positioning means for extending or contracting the effective length of the surface contacting member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

117, and 531, for implements comprising plural cleaning elements one of which is a squeegee.