US PATENT SUBCLASS 210 / 532.2
.~.~ Septic tank

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

513  DF  GRAVITATIONAL SEPARATOR {6}
532.1  DF  .~ Heavier constituent trap, chamber, or recess {2}
532.2.~.~ Septic tank

DEFINITION

Classification: 210/532.2

Septic tank:

(under subclass 532.1) Apparatus in the form of a septic tank.

SEE OR SEARCH THIS CLASS, SUBCLASS:

170, for a septic tank installed in a geos:graphicial feature.