(under subclass 191) Electrical connector to be used with a heating means (e.g.., an electrical resistance heater) to raise the thermal level of the means providing the passageway.
SEE OR SEARCH CLASS
138, Pipes and Tubular Conduits,
38, for the combination of a transmission line and an electrical heating means provided specifically to thaw material inside the line with or without an electrical connector.
174, Electricity: Conductors and Insulators,
47, for a fluid transmission line combined with a conductor but lacking a claimed reference to an electrical connector.
219, Electric Heating,
200+, for a fluid transmission line combined with an electrical heating device, with or without an electrical connector.
