US PATENT SUBCLASS 362 / 480
.~.~.~ Ventilation casing or fixture

Current as of: June, 1999
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362 /   HD   ILLUMINATION

459  DF  SUPPORTED BY VEHICLE STRUCTURE (E.G., ESPECIALLY ADAPTED FOR VEHICLE) {17}
478  DF  .~ Bus or railway rolling stock {5}
479  DF  .~.~ Roof or ceiling {1}
480.~.~.~ Ventilation casing or fixture

DEFINITION

Classification: 362/480

Ventilation casing or fixture:

(under subclass 479) Subject matter wherein the bus or railway rolling stock comprises an overhead air duct, an aisle, and passenger seats and the illuminating means is supported by the overhead air duct or air distributing means and the air duct or air distributing means direct light down on an aisle or passenger seat.

SEE OR SEARCH THIS CLASS, SUBCLASS:

149, for a building ceiling light with air or fluid handling means.

SEE OR SEARCH CLASS

454, Ventilation,

83, for a ventilation system for a railcar, bus, or trailer in general, subclasses 108+ for a specific air distributor, subclasses 136+ for a vehicle roof structure in general, and subclasses 292+ for a ceiling-type inlet airway in general. [figure] [caption]A - Lamps; B - Lamp support; C - Ventilating air passage; D - Roof frame; E - Lamp shade