US PATENT SUBCLASS 15 / 3.52
.~.~.~ By attached line


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

3  DF  MACHINES {11}
3.5  DF  .~ With means to pass a solid cleaning agent and a fluid carrier through tubular work {1}
3.51  DF  .~.~ With conservation or recovery of the cleaning agent {1}
3.52.~.~.~ By attached line


DEFINITION

Classification: 15/3.52

(under subclass 3.51) Machines in which the means to recover the cleaning instrumentality is a line attached to such instrumentality whereby it may be retrieved.