US PATENT SUBCLASS 392 / 442
.~.~ Pour-in displacement discharge type tank

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}
442.~.~ Pour-in displacement discharge type tank

DEFINITION

Classification: 392/442

Pour-in displacement discharge type tank:

(under subclass 441) Subject matter wherein the tank has an open inlet through which unheated liquid is poured into the tank to discharge through an open outlet a quantity of heated liquid equal to that poured in.