US PATENT SUBCLASS 52 / 192
FLUENT MATERIAL HOPPER OR STORAGE CONTAINER WITH MATERIAL PORT

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

192FLUENT MATERIAL HOPPER OR STORAGE CONTAINER WITH MATERIAL PORT {5}
193  DF  .~> Rod crossing port
194  DF  .~> Elevated container, leg-supported
195  DF  .~> With chute
196  DF  .~> Framed port in wall
197  DF  .~> Bottom outlet port; e.g., hopper bottom

DEFINITION

Classification: 52/192

(under the class definition) Structure including a container or receptacle structure, e.g., tank, bin or cistern particularly adapted to retain liquid or fluent solid materials and having a port, i.e., an opening in its outer barrier structure through which the material is either

deposited within or withdrawn from the structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

168, for a static structure combined with a protective liquid reservoir.

SEE OR SEARCH CLASS

137, Fluid Handling,

154+, 356, 583, and 613 for an enclosure having more than one fluid handling port. 220, Receptacles, appropriate subclass for a receptacle having a port there provided for.