US PATENT SUBCLASS 454 / 105
.~.~.~ With air pump

Current as of: June, 1999
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454 /   HD   VENTILATION

69  DF  VEHICLE (E.G., AUTOMOBILE, ETC.) {15}
83  DF  .~ Railcar, bus, or trailer {10}
103  DF  .~.~ Having both inlet and outlet airways {2}
105.~.~.~ With air pump {1}
106  DF  .~.~.~.~> Wind or wheel-axle operated

DEFINITION

Classification: 454/105

With air pump:

(under subclass 103) Subject matter comprising an apparatus for adding energy to and moving the air.

(1) Note. The air moving apparatus is often a fan.

SEE OR SEARCH THIS CLASS, SUBCLASS:

249, for a static structure (e.g., building) including both inlet and outlet airways and an air pump.