US PATENT SUBCLASS 141 / 297
.~ Funnel type

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

285  DF  MULTIPLE PASSAGE FILLING MEANS FOR DIVERSE MATERIALS OR FLOWS {10}
297.~ Funnel type {3}
298  DF  .~.~> Concentric vent forms valve stem
299  DF  .~.~> Concentric external vent
300  DF  .~.~> Vent extends along wall to top

DEFINITION

Classification: 141/297

(under subclass 285) Filling devices in which the filling means comprises a funnel.

(1) Note. See the class definition, Glossary, for the definition of a funnel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

199+, for automatic control of flow cut-offs involving funnel-type supply means in which control is by a float means.

331+, for other funnel type filling devices not involving plural passages for diverse materials.