US PATENT SUBCLASS 219 / 542
.~.~ With resistive-element attaching, securing or electrical insulation 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}
542.~.~ With resistive-element attaching, securing or electrical insulation means {3}
543  DF  .~.~.~> Comprising coating printed or deposited on core sheath or support means
544  DF  .~.~.~> Element embedded within or completely surrounded by core, sheath, or support means
545  DF  .~.~.~> Resistive element interwoven with fabric support

DEFINITION

Classification: 219/542

(under subclass 538) Subject matter including a heating element secured or attached to, or insulated from, a core, sheath or support by specific means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

536, for heater unit with a mounting or attaching means.

SEE OR SEARCH CLASS

338, Electrical Resistors,

226+, for resistor means incased, embedded or housed and subclasses 306+ for a resistor element with a base extending along the element.