.~.~> Exterior neck with enlarged, weather resistant cover
DEFINITION
Classification: 454/367
Having specific cover or shield for exterior vent opening:
(under subclass 4560) Subject matter wherein particular significance is attributed to a means positioned over an outdoor aperture of an air passage leading to the ventilated space so as to protect the air passage.
(1) Note. The means usually acts to protect the passage from rain or outside debris.
(2) Note. A cover or shield not inherent to the structure of the ventilating means (e.g., a building roof overhang) is not included under this definition.
SEE OR SEARCH THIS CLASS, SUBCLASS:
4+, for a cap closure for a chimney or stacktop.
94, for a railcar, bus, or trailer having an exterior cap closure for a vent.
275, for an inlet airway having a specific cover or shield for an exterior vent opening.
347+, for an outlet airway having an air pump and which may include a readily moveable cover. 355, for an outlet airway having an air pump and including a moveable access cover.
356, for an outlet airway having an air pump and including an exterior neck with an enlarged, weather resistant cover.
358+, for other outlet airways which may include a readily moveable cover.
