(under subclass 186) Subject matter including housing means with a filler of oil or other liquid.
(1) Note. The subject matter classified here is very similar to that in subclass 277. In this subclass the oil or other liquid is claimed in combination with housing, casing or other support structure as a cooling or other protective means such as insulation. In the devices to be found in subclass 277, the liquid is specifically recited as an arc quenching medium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
277, for fusible element actuated switches using liquid dielectric as an arc extinguishing medium. See (1) Note above.
SEE OR SEARCH CLASS
361, Electricity: Electrical Systems and Devices,
38+, for oil enclosed transformer having a fusible protective means.
