.~.~ With heat storage or transfer means (e.g., fins or plate)
DEFINITION
Classification: 219/540
(under subclass 538) Subject matter including significant heat transfer or storage means, such as fins or plates whereby the heat energy generated in the heating unit is transferred to a space or body of material which is to be heated.
(1) Note. To complete the search for this subject matter consult the appropriate subclasses under each special type heating device listed under "Search This Class, Subclass" of subclass 530.
SEE OR SEARCH CLASS
338, Electrical Resistors,
51+, for resistors with heat dissipating projections (e.g, vanes); subclasses 53+ for resistors with cooling gas or liquid circulation means and subclass 59 for resistors with heat storing means.
