US PATENT SUBCLASS 219 / 541
.~.~ With terminal or connector means (e.g., to external circuit means)


Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

200  DF  HEATING DEVICES {14}
538  DF  .~ With heating unit structure {6}
541.~.~ With terminal or connector means (e.g., to external circuit means)


DEFINITION

Classification: 219/541

(under subclass 538) Subject matter including specific terminal or connector elements whereby an electrical connection with an external electrical circuit may be made.

SEE OR SEARCH THIS CLASS, SUBCLASS:

247, for electric flatiron with stand and electrical connector means.

256+, for electric flatiron with terminal structure.

318, for readily detachable liquid heater units.

321, for liquid heater with plural selectively replaceable heater units.

351, for radiant heaters with interchangeable or readily detachable heating units. 403, for ovens with heating units detachable from heated enclosure.

436+, for vessel and stand with heating unit attaching means.

447, for vessel with plural detachable or interchangeable heater units.

SEE OR SEARCH CLASS

338, Electrical Resistors, appropriate subclasses for particular resistors with terminals and

322+, for electrical resistors, per se, with terminal means in general ("Search This Class, Subclass" under subclass 322 lists particular resistors with connectors or terminals in

Class 338).

439, Electrical Connectors, appropriate subclasses, for terminals of the separable type, per se, which may be applied to heater units.