US PATENT SUBCLASS 454 / 216
.~.~ Including wall for upwardly deflecting inlet air

Current as of: June, 1999
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454 /   HD   VENTILATION

196  DF  MEANS COMBINED WITH WINDOW {12}
214  DF  .~ Having air passage between sill and bottom of sash {5}
216.~.~ Including wall for upwardly deflecting inlet air {3}
217  DF  .~.~.~> Having adjustable angle or swingable mounting {1}
219  DF  .~.~.~> Having readily moveable air regulating means
220  DF  .~.~.~> Having slidably interconnected sections

DEFINITION

Classification: 454/216

Including wall for upwardly deflecting inlet air:

(under subclass 214) Subject matter comprising a shield or air guiding surface which (1) forms a bounding side or wall of a path for the air and (2) directs the air in a vertically upward direction into the ventilated space.

(1) Note. The shield or guiding surface usually (1) lies parallel to the window or (2) extends vertically and into the ventilated space from the window.

(2) Note. A device also having a position sloping downward from the window (e.g., an awning) is not included in this subclass.

(3) Note. A panel comprising parallel or concentric air guiding slats or louvers is not considered to be a wall.

SEE OR SEARCH THIS CLASS, SUBCLASS:

215, for a wall for upwardly deflecting inlet air which wall is sloped or can be readily sloped downward from the window.

221, for a window having a panel comprising parallel or concentric air guiding slats which upwardly deflects inlet air.

307, for other inlet air ventilators having an air deflecting wall extending into the room.