US PATENT SUBCLASS 219 / 550
.~.~.~.~ Sectional or interconnectable insulator 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}
546  DF  .~.~ Core, sheath, or support means for heating element {2}
548  DF  .~.~.~ Of particular construction or material {3}
550.~.~.~.~ Sectional or interconnectable insulator means

DEFINITION

Classification: 219/550

(under subclass 548) Subject matter wherein the significant core, sheath or support means consists of plural sections or elements of insulative material adapted to be joined together to form a single whole device.

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators,

137+, and appropriate subclasses for insulators which may be joined or sectional.