US PATENT SUBCLASS 454 / 305
.~.~ Air nozzle

Current as of: June, 1999
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454 /   HD   VENTILATION

254  DF  HAVING INLET AIRWAY {11}
284  DF  .~ Including specific air distributor (e.g., register, etc.) {14}
305.~.~ Air nozzle

DEFINITION

Classification: 454/305

Air nozzle:

(under subclass 284) Subject matter wherein the air directing means includes a projecting, air concentrating spout with an air passageway therethrough.

SEE OR SEARCH THIS CLASS, SUBCLASS:

263+, for nozzle used in mixing air for an inlet airway.

296+, for a perforated or porous plate ceiling-type diffuser.

306, for an air distributer having an air duct extending into a room.