US PATENT SUBCLASS 250 / 493.1
RADIANT ENERGY GENERATION AND SOURCES

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

493.1RADIANT ENERGY GENERATION AND SOURCES {3}
494.1  DF  .~> Plural radiation sources {1}
496.1  DF  .~> With container for radioactive source and radiation directing or selectable shielding {2}
503.1  DF  .~> With radiation modifying member {1}

DEFINITION

Classification: 250/493.1

RADIANT ENERGY GENERATION AND SOURCES:

(under the class definition) Subject matter which includes radiation emitters of this class type and not provided for elsewhere.

SEE OR SEARCH CLASS

219, Electric Heating, for infrared heaters of the resistance arc, laser and electron bombardment type.

252, Compositions,

625+, radioactive; and subclasses 301.16+ for fluorescent or phosphorescent compositions, per se.

313, Electric Lamp and Discharge Devices, for generators, per se, of invisible radiation produced by electrical discharge devices, gas and vacuum tubes and incandescent lamps.

315, Electric Lamp and Discharge Devices: Systems, for sources of the Class 313 type plus the electric circuit to energize the device.

376, Induced Nuclear Reactions: Processes, Systems, and Elements, for nuclear reactors and reactions. 378, X-Ray or Gamma Ray Systems or Devices,

119+, for X-ray or gamma ray sources.