US PATENT SUBCLASS 4 / 347
.~ Ventilated, i.e., noxious fume removal

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

300  DF  FLUSH CLOSET {22}
347.~ Ventilated, i.e., noxious fume removal {1}
348  DF  .~.~> Bowl {3}

DEFINITION

Classification: 4/347

Ventilated, i.e., noxious fume removal:

(under subclass 300) Subject matter including means for removing gases having disagreeable odor.

(1) Note. The subject matter of this subclass is not intended to include only handling of air or gas which affects the flow of the flushing liquid or waste material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

209+, for general ventilation of the class type.

306, for urinal type ventilation.

SEE OR SEARCH CLASS

454, Ventilation, for ventilating devices not peculiar to subject matter of this class, particularly 341+, for ventilating devices which exhaust stale air from a room.