(under the class definition) Devices provided with a specific electrical component (e.g., particular electrical conductor, insulator or magnetic structure).
SEE OR SEARCH THIS CLASS, SUBCLASS:
60, for well devices comprising electrical heaters.
63, for electrical means for igniting an explosive charge.
SEE OR SEARCH CLASS
174, Electricity: Conductors and Insulators appropriate subclass for these types of devices which may be located in a well device or well.
200, Electricity: Circuit Makers and Breakers, appropriate subclass for an electrical with means which may be located in a well device or well.
439, Electrical Connectors, appropriate subclass for an electrical connector which may be located in a well device or well.