US PATENT SUBCLASS 392 / 325
.~.~.~ Line connected boiler

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}
311  DF  .~ Fluid-in-circuit type heater {6}
324  DF  .~.~ Steam or vapor generator {2}
325.~.~.~ Line connected boiler {3}
326  DF  .~.~.~.~> Control of electrode immersion level {2}
329  DF  .~.~.~.~> With means to adjust current path between elctrodes {1}
331  DF  .~.~.~.~> Electrode arrangement {1}

DEFINITION

Classification: 392/325

Line connected boiler:

(under subclass 324) Subject matter wherein the fluid-in-circuit heater includes a vessel having an inlet for receiving water from an external source of supply and an outlet for discharging vapor from the vessel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

400+, for vaporizing in-line connected tank.

449, for liquid heating container or tank.