US PATENT SUBCLASS 454 / 88
.~.~ Freight

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}
88.~.~ Freight {3}
89  DF  .~.~.~> Ice-bunker closure (e.g., for refrigerated railcar)
90  DF  .~.~.~> Refrigerated or heated {1}
92  DF  .~.~.~> With air pump

DEFINITION

Classification: 454/88

Freight:

(under subclass 83) Subject matter wherein the ventilated space is particularly adapted for transporting goods, equipment, or livestock.

SEE OR SEARCH THIS CLASS, SUBCLASS:

77, for ventilated aircraft cargo cabins.

79, for ventilated cargo holds on-board a ship.

118, for ventilation of other freight-carrying vehicles.

SEE OR SEARCH CLASS

217, Wooden Receptacles,

42, for ventilated crates and subclass 74 for ventilated barrels, per se. 220, Receptacles,

1.5+, for freight containers, per se.