US PATENT SUBCLASS 454 / 196
MEANS COMBINED WITH WINDOW

Current as of: June, 1999
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454 /   HD   VENTILATION

196MEANS COMBINED WITH WINDOW {12}
197  DF  .~> For bed or couch
198  DF  .~> Condensation preventer
199  DF  .~> Skylight
200  DF  .~> With air pump {5}
211  DF  .~> Having air passage in sash
212  DF  .~> Having air passage means within, attaching to, or replacing pane
213  DF  .~> Having air passage at window top
214  DF  .~> Having air passage between sill and bottom of sash {5}
224  DF  .~> Having louvers
225  DF  .~> Tilting pane window
226  DF  .~> Having wind deflector
227  DF  .~> Including backdraft preventer

DEFINITION

Classification: 454/196

MEANS COMBINED WITH WINDOW:

(under the class definition) Subject matter comprising means to admit air to, exhaust air from, or circulate air about a (ventilated) space in combination with a structure for admitting light into the space through a barrier of the space.

(1) Note. For references to the lines between Class 454 and other classes, see the search notes below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

95+, for window ventilation structure in a railcar, bus, or trailer

128+, for window ventilation for other types of vehicles.

SEE OR SEARCH CLASS

49, Movable or Removable Closures, appropriate subclasses for a mere through passage in a wall combined with a closure, e.g., a window for the passage of air. See, in particular,

71, for distinct side wings movable with a closure. Also see the class definition of Class 49, Lines with Other Classes, for the lines between Class 49, Class 52, and this class (454). 52, Static Structures (e.g., Buildings), appropriate subclasses for static structures having windows therein. See the Search Notes to the class definition of Class 52 for the lines between Class 52 and this class (454).

160, Flexible or Portable Closure, Partition, or Panel, appropriate subclasses for screens and other flexible and portable panel type closures.