INCLUDING MEANS OR STRUCTURE FOR PROMOTING SAFETY:
(under the class definition) Apparatus which includes a provision in the nature of a device or element, or merely a structural feature, which is indicated as being intended to reduce or eliminate one or more hazards of a kind associated with the separator, especially during its operation.
(1) Note. If mere strength of the bowl wall, for example, is involved, and there is no express statement relating that property to safety, classification in subclass 81 below, rather than here (12), is proper.
SEE OR SEARCH THIS CLASS, SUBCLASS:
81, as explained in the reference thereto appearing in (1) Note above.