US PATENT SUBCLASS 210 / 169
.~.~ Aquarium or swimming pool

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

153  DF  STRUCTURAL INSTALLATION {6}
167  DF  .~ Closed circulating systems {2}
169.~.~ Aquarium or swimming pool

DEFINITION

Classification: 210/169

(under subclass 167) Systems designed to accommodate living animals.

SEE OR SEARCH THIS CLASS, SUBCLASS:

220+, for a submerged fluid inlet means to add treating material to a separator.

SEE OR SEARCH CLASS

119, Animal Husbandry,

259+, for specific aquarium structure in combination with liquid purification or separation means.