.~.~.~ And readily movable air regulating louver, damper, or cover
DEFINITION
Classification: 454/264
And readily movable air regulating louver, damper, or cover:
(under subclass 263) Subject matter wherein the continuous, formed, projecting air spout has a cooperating easily shiftable air permitting or preventing (1) group of parallel or concentric slats, (2) internal body, or (3) orifice cap or closure.
(1) Note. A louver, damper, or cover held in a single fixed position by a separate, movable, screw, bolt, or other permanent type, tool actuated fastener is not considered "readily movable".
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.
224, for other window ventilators including 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.
473, for a louvered panel and 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 160, Class Definition, for panel units made up of plural strips, slats, etc.
