(under subclass 25) Device provided with either (a) means to raise the temperature of the device, work or environment, or (b) a conductor for establishing electrical contact with the work.
SEE OR SEARCH THIS CLASS, SUBCLASS:
215+, for methods of treating teeth by heat or electricity.
SEE OR SEARCH CLASS
128, Surgery,
362+, for other light, thermal, or electrical application in surgery.
219, Electric Heating, appropriate subclasses for details of electrical heating devices in general.
606, Surgery, 2+, for light, subclasses 27+ for heat and subclasses 32+, for electrical applicators surgical instruments.