US PATENT SUBCLASS 219 / 547
.~.~.~ Comprising material to be heated

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
547.~.~.~ Comprising material to be heated

DEFINITION

Classification: 219/547

(under subclass 546) Subject matter wherein the significant core, sheath or support means is comprised wholly, or in part, of the material to be heated; such as a glass panel having a resistive heating element adhered thereto or imbedded therein.

SEE OR SEARCH CLASS

338, Electrical Resistors,

226+, for resistor means incased or embedded in a support.