US PATENT SUBCLASS 454 / 98
.~.~.~.~ Outside of window

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}
95  DF  .~.~ Having window or entry-door ventilation structure {1}
96  DF  .~.~.~ Including dust guard for window opening {2}
98.~.~.~.~ Outside of window

DEFINITION

Classification: 454/98

Outside of window:

(under subclass 96) Subject matter wherein the deflecting means is positioned outside the ventilated space.