US PATENT SUBCLASS 454 / 200
.~ With air pump

Current as of: June, 1999
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454 /   HD   VENTILATION

196  DF  MEANS COMBINED WITH WINDOW {12}
200.~ With air pump {5}
201  DF  .~.~> Cooling air conditioner {3}
205  DF  .~.~> Recirculation means
206  DF  .~.~> With specific noise inhibiting structure
207  DF  .~.~> With specific filtering means
208  DF  .~.~> Propeller fan having rotary axis perpendicular to window {2}

DEFINITION

Classification: 454/200

With air pump:

(under subclass 196) Subject matter comprising an apparatus for adding energy to and moving the air.

(1) Note. The air is usually moved from one side to an opposite side of the window.

SEE OR SEARCH CLASS

160, Flexible or Portable Closure, Partition, or Panel, appropriate subclasses for flexible and portable window panels.

415, Rotary Kinetic Fluid Motors or Pumps, appropriate subclasses for a blower, per se.

416, Fluid Reaction Surfaces (i.e., Impellers), appropriate subclasses for a fan, per se.

417, Pumps, appropriate subclasses for a motor driven blower, per se.