US PATENT SUBCLASS 313 / 105 R
.~.~ Three or more

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

523  DF  PHOTOSENSITIVE {12}
104  DF  .~ Plural secondary emissive electrodes {1}
105 R.~.~ Three or more {1}
105 CM  DF  .~.~.~> Channel multiplier

Unofficial Alpha Subclasses: R CM

DEFINITION

Classification: 313/105

(under subclass 104) Discharge devices having three or more secondarily emissive electrodes.