US PATENT SUBCLASS 219 / 409
.~.~.~ With heating unit structure or composition

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}
385  DF  .~ Combined with container, enclosure, or support for material to be heated {12}
391  DF  .~.~ Oven type {12}
409.~.~.~ With heating unit structure or composition {2}
410  DF  .~.~.~.~> With plural section heating element
411  DF  .~.~.~.~> With infrared generating means

DEFINITION

Classification: 219/409

(under subclass 391) Subject matter including significant heating unit structural elements or composition whereby the heating unit means is particularly adapted for use in combination with an oven type enclosure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

538+, for significant heating unit structure of a general nature under the class definition.