US PATENT SUBCLASS 392 / 449
.~.~ Line connected 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}
449.~.~ Line connected tank {4}
450  DF  .~.~.~> Plural serially connected compartments
451  DF  .~.~.~> With immersion heating element {6}
458  DF  .~.~.~> With external heater {3}
463  DF  .~.~.~> With timer controlled energization {1}

DEFINITION

Classification: 392/449

Line connected tank:

(under subclass 441) Subject matter wherein the tank or container includes an inlet connected to a pressurized source of liquid and an outlet for discharging heated liquid from the tank.

SEE OR SEARCH THIS CLASS, SUBCLASS:

325+, for steam or vapor generator line connected boiler.

341, for fluid heating by heat storage means.

400+, for line connected closed tank.

402, for line connected open tank.

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus, 279+, for infusers.

122, Liquid Heaters and Vaporizers,

13.1+, for stand boiler.

126, Stoves and Furnaces,

344+, for water heaters.

165, Heat Exchange, appropriate subclasses for line connected tank.

220, Receptacles,

62.11+, for multilayer barrier structure, and subclasses 567.3 for hot water boiler type.