US PATENT SUBCLASS 4 / 490
.~ With cleaning means

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

488  DF  POOL TYPE {9}
490.~ With cleaning means

DEFINITION

Classification: 4/490

With cleaning means:

(under subclass 488) Subject matter having means to loosen or agitate slit or other sediment so the slit or sediment can be removed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

492, for water jets in a spa or the like.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

1.7, for submerged devices having cleaning means for that class.

134, Cleaning and Liquid Contact With Solids, 167+, for jet applying conduits or nozzles for that class.

210, Liquid Purification or Separation,

169, for filter for that class.