US PATENT SUBCLASS 454 / 87
.~.~ Sleeping car

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}
87.~.~ Sleeping car

DEFINITION

Classification: 454/87

Sleeping car:

(under subclass 83) Subject matter wherein the transporting device is particularly adapted to ride on a rail and wherein the ventilated space comprises sleeping accommodations for human passengers.