US PATENT SUBCLASS 454 / 80
.~.~.~ Nonperishable bulk foodstuff (e.g., grain ship)

Current as of: June, 1999
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454 /   HD   VENTILATION

69  DF  VEHICLE (E.G., AUTOMOBILE, ETC.) {15}
78  DF  .~ Waterborne {3}
79  DF  .~.~ Freight {1}
80.~.~.~ Nonperishable bulk foodstuff (e.g., grain ship)

DEFINITION

Classification: 454/80

Nonperishable bulk foodstuff (e.g., grain ship):

(under subclass 79) Subject matter wherein the ventilated space is particularly adapted for transporting grain or other unpackaged and unrefrigerated foodstuffs.