US PATENT SUBCLASS 219 / 549
.~.~.~.~ Flexible

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}
549.~.~.~.~ Flexible

DEFINITION

Classification: 219/549

(under subclass 548) Subject matter wherein the significant core, sheath or support means is comprised of material which is adapted to be flexed, folded or rolled upon itself without becoming permanently deformed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

211, for electric heater combined with wearing apparel.

212, for electric heater combined with bed clothing.

456, for heater with a support adjustable to the shape of the material to be heated.

528+, for heater unit with flexible or resilient support.

545, for resistive element interwoven with fabric support. SEE OR SEARCH CLASS

338, Electrical Resistors,

210+, for flexible or folding resistor devices.