(under subclass 196) Subject matter wherein the means comprises generally parallel or concentric air guiding slats.
(1) Note. The air guiding slats may be composed of an opaque or light admitting (i.e., louvered window panes) material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
221, for a window ventilator having an air passage between the sill and the bottom of the sash which includes louvers.
264, for an inlet airway including structure for mixing plural air streams together which has a shaped nozzle and includes louvers.
265+, for other inlet airways including structure for mixing plural air streams together and which include louvers.
277+, for a wall-type inlet airway including a specific cover or shield for the exterior vent opening and includes louvers.
288, for a baseboard-type inlet airway which may include louvers. 290, for a floor-type inlet airway which may include louvers.
299+, for a ceiling-type inlet airway which may include louvers.
309+, for a wall-type inlet airway which includes a louvered air distributor.
325+, for an inlet airway including a specific air distributor and additionally a louver which forms an adjustable valve.
335+, for an inlet airway without a specific air distributor which includes a louver which forms an adjustable valve.
347+, for an outlet airway including an air pump which may have air regulating louvers.
358+, for other outlet airways which may have air regulating louvers.
SEE OR SEARCH CLASS
49, Movable or Removable Closures, particularly
74.1+, for movable louvered windows which have adjacent edges which contact each other (i.e., are not constantly spaced apart) in the closed position to effect a closure between them.
52, Static Structures (e.g., Building), particularly 473, for a louvered panel and subclass 633 for location of related structures in other classes.
160, Flexible or Portable Closure, Partition, or Panel,
140+, for louver devices in which the slats are flexible, or are interconnected to each other for relative movement, or may be accumulated (e.g., venetian blinds). See class definition, part C, of Class 160.
