US PATENT SUBCLASS 454 / 78
.~ Waterborne

Current as of: June, 1999
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454 /   HD   VENTILATION

69  DF  VEHICLE (E.G., AUTOMOBILE, ETC.) {15}
78.~ Waterborne {3}
79  DF  .~.~> Freight {1}
81  DF  .~.~> Porthole ventilator
82  DF  .~.~> With moisture deflector or drain

DEFINITION

Classification: 454/78

Waterborne:

(under subclass 69) Subject matter wherein the transporting device is particularly adapted to navigation on or in a body of water.

SEE OR SEARCH CLASS

114, Ships,

211+, for ventilating devices specific to ships and involving the structure of the ship.