US PATENT SUBCLASS 119 / 260
.~.~.~ Biological type

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


119 /   HD   ANIMAL HUSBANDRY

200  DF  AQUATIC ANIMAL CULTURING {5}
245  DF  .~ Aquarium {13}
259  DF  .~.~ Filter {2}
260.~.~.~ Biological type

DEFINITION

Classification: 119/260

Biological type:

(under subclass 259) Subject matter wherein the filtering system contains organisms which process wastes to decontaminate the circulated water.

SEE OR SEARCH THIS CLASS, SUBCLASS:

227, for a fish enclosure of the recirculating water type using a biological filter.

SEE OR SEARCH CLASS

210, Liquid Purification or Separation,

601+, for water treatment by a living organism.