.~.~ And having specific emergency smoke handling structure
DEFINITION
Classification: 454/342
And having specific emergency smoke handling structure:
(under subclass 341) Subject matter in which significance is attributed to a specific configuration for controlling or dealing with the gaseous emission from a sudden, unexpected fire of a serious nature.
(1) Note. The specific emergency smoke handling structure must be positively claimed for proper original patent
placement in this subclass.
(2) Note. The claimed presence of a heat sensitive element, e.g., a fusible link, is considered adequate if it is disclosed for causing the ventilator to control or deal with any smoke caused by fire.
SEE OR SEARCH THIS CLASS, SUBCLASS:
28, for a chimney or stacktop with air current regulating means which is temperature responsive.
257, for a building inlet airway including an emergency smoke or fire responsive valve.
357, for other building outlet airways having means for controlling or dealing with smoke. 369, for fusible release controlled fire dampers.
SEE OR SEARCH CLASS
126, Stoves and Furnaces,
287.5, for fusible release dampers for stoves or furnaces.
169, Fire Extinguishers, particularly
42, and 56+ for fire extinguishing apparatus responsive to smoke or fire.
