US PATENT SUBCLASS 119 / 226
.~.~ Fish enclosure - recirculating type

Current as of: June, 1999
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119 /   HD   ANIMAL HUSBANDRY

200  DF  AQUATIC ANIMAL CULTURING {5}
215  DF  .~ Fish culturing {12}
226.~.~ Fish enclosure - recirculating type {1}
227  DF  .~.~.~> With biological filter

DEFINITION

Classification: 119/226

Fish enclosure - recirculating type:

(under subclass 215) Subject matter including a water containment structure for sustaining fish and having means for removing a portion of the water and returning it to the containment structure after treatment to improve its life sustaining properties.

SEE OR SEARCH CLASS

210, Liquid Purification or Separation,

416.2, for a filter with a cooperating pump adapted for use in an aquarium.

220, Receptacles,

4.12+, for a sectional tank for fluid.