.~ Having specific cover or shield for exterior vent opening {1}
368
.~.~ Exterior neck with enlarged, weather resistant cover
DEFINITION
Classification: 454/368
Exterior neck with enlarged, weather resistant cover:
(under subclass 367) Subject matter wherein the air exhausting means includes an outdoor portion with an upstanding air passage stem connected to an end cap or shelter which (1) has a larger dimension than the stem in a direction transverse to the direction of airflow through an exterior structural barrier, i.e., a wall or roof of the ventilated space and (2) assists in diminishing the deleterious effects of weather conditions.
SEE OR SEARCH THIS CLASS, SUBCLASS:
356, for an outlet airway having an exterior neck with an enlarged, weather resistant cover and an air pump.
