US PATENT SUBCLASS 4 / 472-- .~.~ Ventilated

US PATENT SUBCLASS 4 / 472
.~.~ Ventilated

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

449	DF	DRY CLOSETS {14}
471	DF	.~ Valved bowl {2}
472		.~.~ Ventilated

DEFINITION

Classification: 4/472

Ventilated:

(under subclass 471) Subject matter including means for removing gases having a disagreeable odor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

209+, for general ventilation of the class type.

475, for a ventilated vault.

477, for a ventilated closed receptacle.

482, for a ventilated receptacle.

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.