US PATENT SUBCLASS 454 / 136
.~ Roof structure


Current as of: June, 1999
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454 /   HD   VENTILATION

69  DF  VEHICLE (E.G., AUTOMOBILE, ETC.) {15}
136.~ Roof structure {1}
137  DF  .~.~> Including duct extending along roof {1}


DEFINITION

Classification: 454/136

Roof structure:

(under subclass 69) Subject matter comprising air guiding or directing means integral with a barrier above the ventilated space of the transporting device (i.e., roof).

SEE OR SEARCH THIS CLASS, SUBCLASS:

94, for a railcar, bus, or trailer roof vent closure.

130+, for air admitting, exhausting, or circulating means used with a windshield which opens.

146+, for an air admitting aperture in a vehicle cowl.

150, for an air admitting aperture adjacent to a windshield.

151, for an air admitting aperture in an exterior side or rear side of a vehicle.