US PATENT SUBCLASS 392 / 455
.~.~.~.~ With heating element mounting arrangements

Current as of: June, 1999
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392 /   HD   ELECTRIC RESISTANCE HEATING DEVICES

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
441  DF  .~ Tank or container type liquid heater {4}
449  DF  .~.~ Line connected tank {4}
451  DF  .~.~.~ With immersion heating element {6}
455.~.~.~.~ With heating element mounting arrangements

DEFINITION

Classification: 392/455

With heating element mounting arrangements:

(under subclass 451) Subject matter including details of mounting arrangements of the heating element in the tank.

SEE OR SEARCH THIS CLASS, SUBCLASS:

401, for internal heating element.

501, for particular mounting means.

SEE OR SEARCH CLASS

219, Electric Heating,

437, for immersible heater; subclass 523 for housing, casing or support insertable into material or space to be heated; subclass 526 for means for attaching housing or casing to an external device; and subclass 536 for heating unit mounting or attaching means.

338, Electrical Resistors, 228, for casing extending through plate; subclass 229 for probe type; and subclasses 315+ for mountings or supporting means.