US PATENT SUBCLASS 237 / 70
HEAT RADIATORS


Current as of: June, 1999
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237 /   HD   HEATING SYSTEMS

70HEAT RADIATORS {6}
71  DF  .~> Water, steam {1}
73  DF  .~> Steam {2}
76  DF  .~> Ceramic
77  DF  .~> Foot warmer
78 R  DF  .~> Air moistener {3}
79  DF  .~> Shields


DEFINITION

Classification: 237/70

(under the class definition) Hollow bodies of considerable surface area peculiarly adapted to have a heating fluid passed through it and to radiate heat from the surface. Radiators must be absolutely limited to heating purposes by radiation in order to fall within this subclass and those indented thereunder.

SEE OR SEARCH CLASS

165, Heat Exchange,

128+, for a heat exchanger having vertically extending flues for producing a thermosyphonic flow of fluid not having features specializing it to use in heating air within a chamber; subclasses 168+ for a panel with conducting passages for a heat exchange fluid; and subclasses 172+ for an assembly of tubes for transferring heat.