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Paul A Cunningham

Frederick G Grise

An electrical heater, to be powered from an automotive-type cigarette lighter socket, includes a heating element, a plug configured to be inserted into the cigarette lighter socket, and a pair of conductors permanently connecting the heating element to the plug. The plug has a flat substrate and a pair of conductors mounted on the substrate. An electrical plug, for a lighter socket of the kind having an inner wall of a predetermined diameter and a pair of electrical contacts, includes a flat assembly having a flat dielectric base having a width corresponding to the predetermined diameter, and a pair of flat conductors attached to the base for touching the pair of electrical contacts in the socket.

Electrical heater and plug

An electrical heater, to be powered from an automotive-type cigarette lighter socket, includes a heating element, a plug configures to be inserted into the cigarette lighter socket, and a pair of conductors permanently connecting the heating element to the plug. The plug has a flat substrate and a pair of conductors mounted on the substrate. An electrical plug, for a lighter socket of the kind having an inner wall of a predetermined diameter and a pair of electrical contacts, includes a flat assembly having a flat dielectric base having a width corresponding to the predetermined diameter, and a pair of flat conductors attached to the base for touching the pair of electrical contacts in the socket.

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Attleboro, MA, United States of America

Paul A Cunningham