(under the class definition) Electrical connector comprising a connector at the terminal end of an integral combustion engine igniter including encasing structure to prevent or control passage of radiated electrical energy, to insulate against conduction of electrical current away from the terminal end of the igniter, to prevent corrosion, or to prevent passage of moisture.
SEE OR SEARCH THIS CLASS, SUBCLASS:
92+, for an electrical connector, generally, having an encasing member that is grounded to provide electrical safety.
521+, for a contact cover or case to protect a contact from the environment.
607+, for a shielded electrical connector not peculiar to a spark plug.
SEE OR SEARCH CLASS
174, Electricity: Conductors and Insulators, 152+, for a spark plug and bushing (insulator). (Claimed sparking electrodes go beyond Class 174).
313, Electric Lamp and Discharge Devices,
118+, for spark plug, generally; and particularly subclass 134 for a spark plug with radio shielding and subclass 137 for a spark plug with plural part insulation means.