US PATENT SUBCLASS 454 / 284
.~ Including specific air distributor (e.g., register, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


454 /   HD   VENTILATION

254  DF  HAVING INLET AIRWAY {11}
284.~ Including specific air distributor (e.g., register, etc.) {14}
285  DF  .~.~> Sweeping type
286  DF  .~.~> Having airway joint with ball or cylinder rotatable in a socket
287  DF  .~.~> Baseboard type {1}
289  DF  .~.~> Floor type {2}
292  DF  .~.~> Ceiling type {4}
305  DF  .~.~> Air nozzle
306  DF  .~.~> Having air duct extending into room
307  DF  .~.~> Having air deflecting wall extending into room
308  DF  .~.~> Having vanes or elongated output slots extending radially
309  DF  .~.~> Louvered air distributor {3}
322  DF  .~.~> With adjustable valve {4}
328  DF  .~.~> With means for liquid contact
329  DF  .~.~> With air pump
330  DF  .~.~> Having register box, frame, or grating {1}

DEFINITION

Classification: 454/284

Including specific air distributor (e.g., register, etc.):

(under subclass 254) Subject matter comprising particular means for directing the air as it enters the ventilated space.

SEE OR SEARCH THIS CLASS, SUBCLASS:

108+, for railcars, buses, or trailers having specific air distributors.

152+, for other types of vehicles having specific air distributors.

185+, for hollow partitions which may disclose specific air distributors.

270+, for a sleeved vent in a ceiling, wall, or floor.

SEE OR SEARCH CLASS 34, Drying and Gas or Vapor Contact With Solids, particularly

222, 229, and 231 for houses, kilns, and containers of that type having gas or vapor distributors.