US PATENT SUBCLASS 392 / 324
.~.~ Steam or vapor generator

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

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
311  DF  .~ Fluid-in-circuit type heater {6}
324.~.~ Steam or vapor generator {2}
325  DF  .~.~.~> Line connected boiler {3}
333  DF  .~.~.~> Manually filled tank or container {3}

DEFINITION

Classification: 392/324

Steam or vapor generator:

(under subclass 311) Subject matter wherein the fluid-in-circuit heater includes means for converting a fluid material to a vapor or gas state.

SEE OR SEARCH THIS CLASS, SUBCLASS:

303, for borehole type heater.

342, for vaporization by stored heat.

386+, for vaporizer.

SEE OR SEARCH CLASS

4, Baths, Closets, Sinks, and Spittoons,

524+, and 535+ for means for applying vapor in a bath. 38, Textiles: Ironing or Smoothing,

69, and 77.1+ for steam iron.

43, Fishing, Trapping, and Vermin Destroying,

125+, for vaporizers in fumigating apparatus.

48, Gas: Heating and Illuminating,

89+, and 103 for retort by electric heater.

122, Liquid Heaters and Vaporizers, appropriate subclasses for apparatus for generating vapors from liquids and further utilizing the vapors thus generated, e.g., steam generator. The structure found in this class is very similar to those found in Class 219, especially the so-called flashers in

40+, and wick in subclass 366.

123, Internal-Combustion Engines,

434+, and 543+ for charge forming devices involving vaporizers.

126, Stoves and Furnaces, 20+, 369+, and 377+ for steaming apparatus.

128, Surgery,

203.12+, for vaporizers for medicaments.

132, Toilet,

228, and 272 for hair shaping curls by steam.

159, Concentrating Evaporators, appropriate subclasses for devices for the concentration of solids held in solution or suspension by evaporation.

196, Mineral Oils: Apparatus,

104, for vaporizing mineral oil, and subclasses 121 for electric heating.

201, Distillation: Processes, Thermolytic,

19, for applying electrical energy directly to material.

202, Distillation: Apparatus, appropriate subclasses for distillation apparatus in general.

203, Distillation: Processes, Separatory, appropriate subclasses for a process of distilling a liquid. 208, Mineral Oils: Processes and Products, classes 313 and 347+ for a process of distilling mineral oils.

223, Apparel Apparatus,

51, for apparel apparatus by heating and steaming.

237, Heating Systems,

9, 16+, and 67 for heating systems by steam.

239, Fluid Sprinkling, Spraying, and Diffusing,

136, for sprays with means to generate a water vapor or steam.

252, Compositions,

67+, for specific compositions useful for vaporization purposes.

261, Gas and Liquid Contact Apparatus,

127+, for external supply or removal of heat and subclass 142 for heat produced by electricity. 422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

305, for fume generating apparatus and 292+ for sterilizers using steam.

431, Combustion,

208, and 258 for a fuel burner having an electrically heated fuel vaporizer.

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

1+, for continuous gas or vapor phase colloid system (e.g., smoke, fog, aerosol, cloud, mist) or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.

607, Surgery: Light, Thermal, and Electrical Application,

81+, for bathing apparatus.