US PATENT SUBCLASS 49 / 391
.~.~.~ Inclined opposed member; e.g., vent window-type

Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

381  DF  WITH MEANS MOUNTING CLOSURE FOR SWINGING {13}
388  DF  .~ Pivots on opposed portal members {2}
390  DF  .~.~ Closure portions on opposite sides of portal in open position {2}
391.~.~.~ Inclined opposed member; e.g., vent window-type

DEFINITION

Classification: 49/391

(under subclass 390) Device wherein the opposing pivot mounting members are not parallel, e.g., wing type "ventilator" windows for vehicles.

SEE OR SEARCH THIS CLASS, SUBCLASS:

144, for a "ventilator" closure combined with a vertically sliding closure.

333+, for a closure and operator with coaxial pivots.