US PATENT SUBCLASS 315 / 39.71
.~.~ Magnetic field generating and pole structure

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

32  DF  COMBINED LOAD DEVICE OR LOAD DEVICE TEMPERATURE MODIFYING MEANS AND ELECTRICAL CIRCUIT DEVICE STRUCTURE {19}
39.51  DF  .~ Distributed parameter resonator-type magnetron {10}
39.71.~.~ Magnetic field generating and pole structure

DEFINITION

Classification: 315/39.71

(under subclass 39.51) Devices which are provided with significantly claimed magnetic field generating or magnetic pole structure.

SEE OR SEARCH CLASS

313, Electric Lamp and Discharge Devices,

156+, for other discharge devices which are provided with similar magnetic field generating and pole structure. The subclass in Class 313 provides for similar magnetic field and pole structure when the device is not claimed as being a magnetron.