.~ Having air passage means within, attaching to, or replacing pane
DEFINITION
Classification: 454/212
Having air passage means within, attaching to, or replacing pane:
(under subclass 196) Subject matter wherein the means (1) comprises an air passage through a light admitting panel of the window, (2) connects directly to a light admitting panel of the window, or (3) is substituted in place of a light admitting panel of the window.
(1) Note. A window structure merely comprising light admitting (e.g., glass, etc.) air guiding slats or louvers between which air flows is not included in this subclass.
(2) Note. A mere window pane which opens by pivoting or sliding is not included in this subclass.
(3) Note. The light admitting panel noted above must be a part of the window proper and not merely a part of a ventilating device attached thereto.
(4) Note. A frame which directly attaches to and holds a light admitting panel of the window and which includes a path therethrough for the air is not included in this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
196, for a means comprising a window pane which slides to an open position within a stationary sash. 211, for a frame which directly attaches to and holds a light admitting panel of the window and which includes an air pathway therethrough.
224, for a window structure comprising light admitting air guiding slats or louvers.
225, for a window pane which pivots to an open position in a stationary sash.
