.~ With magneto-mechanical motive device (e.g., electromagnet with armature) {21}
278
.~.~ With casing or enclosure
DEFINITION
Classification: 335/278
(under subclass 220) Subject matter including structure of a casing or enclosure for the electromagnet.
SEE OR SEARCH THIS CLASS, SUBCLASS:
151+, for vacuum or hermetically sealed switches.
162, for plural switches with unitary housing, support or flux path.
202, for switches with significant housing or support means.
260, for plunger type electromagnets with sealed enclosure or casing.
292, for hermetically sealed or moisture proofed lifting or attracting electromagnet. 294, for lifting or attracting electromagnet with outer casing or housing.
299, for particular magnetic coil structure with casing.
SEE OR SEARCH CLASS
174, Electricity: Conductors and Insulators,
17+, for boxes and housings with fluid or vacuum and subclasses 50+ for housings in general for electrical apparatus.
