US PATENT SUBCLASS 392 / 452
.~.~.~.~ With baffle or guard

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
452.~.~.~.~ With baffle or guard

DEFINITION

Classification: 392/452

With baffle or guard:

(under subclass 451) Subject matter wherein the immersion heater includes a plate or wall for directing the liquid in a desired flow pattern in the tank.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

344+, for water heaters and subclass 362 for stand boiler circulation.

165, Heat Exchange, appropriate subclasses for baffle or

guard.

219, Electric Heating,

523, for housing, casing or support insertable into material or space to be heated.