(under subclass 245) Subject matter including aquarium structure such as floor, wall, and sealing means necessary to permanently contain the water environment therein and apparatus or a method of associating such elements.
(1) Note. A patent is placed as an original in this subclass if it claims structural details of the containment structure (i.e., a mere nominal recitation of a floor or wall etc., is insufficient to place a patent here).
SEE OR SEARCH CLASS
220, Receptacles, appropriate subclasses, especially
