US PATENT SUBCLASS 219 / 544
.~.~.~ Element embedded within or completely surrounded by core, sheath, or support 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  DF  .~.~ With resistive-element attaching, securing or electrical insulation means {3}
544.~.~.~ Element embedded within or completely surrounded by core, sheath, or support means

DEFINITION

Classification: 219/544

(under subclass 542) Subject matter comprising a heating element embedded in or completely surrounded by a core, sheath or other support means. The element may be enclosed or surrounded by electrical insulating material within a groove or recessed in the core or sheath or may be simply inserted into a recess in the core or sheath.

SEE OR SEARCH THIS CLASS, SUBCLASS:

534, for heater unit combined with a rigid, tubular housing, casing or support.

SEE OR SEARCH CLASS

338, Electrical Resistors,

226+, for resistor, per se, incased, embedded or housed within a sheath.