US PATENT SUBCLASS 68 / 181 R
.~.~.~ With liquid supply and efflux

Current as of: June, 1999
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68 /   HD   TEXTILES: FLUID TREATING APPARATUS

3 R  DF  MACHINES {22}
147  DF  .~ Liquid flowing {5}
175  DF  .~.~ Fixed liquid receptacle {13}
181 R.~.~.~ With liquid supply and efflux {2}
182  DF  .~.~.~.~> Rotating stock strainer
181 D  DF  .~.~.~.~> Diaper washer

Unofficial Alpha Subclasses: R D

DEFINITION

Classification: 68/181

(under subclass 175) Machines of the type wherein there is a constant flow of liquid into the receptacle with a constant efflux of liquid therefrom.

(1) Note. Where the only liquid supply and efflux is due to a closed circulating system, it is not in this and the indented subclass, but in subclass 175 or other appropriate indented subclasses, particularly subclasses 184+ for pump circulating systems, subclass 190 for surgers, and subclasses 191 through 193 for systems where circulation is induced by heat.