US PATENT SUBCLASS 454 / 123
.~.~ Air directed at window exterior

Current as of: June, 1999
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454 /   HD   VENTILATION

69  DF  VEHICLE (E.G., AUTOMOBILE, ETC.) {15}
121  DF  .~ Condensation preventer (e.g., defroster, etc.) {6}
123.~.~ Air directed at window exterior

DEFINITION

Classification: 454/123

Air directed at window exterior:

(under subclass 121) Subject matter comprising a light admitting structure and wherein the air is guided at an outside surface of the structure to prevent congealed material from accumulating thereon.