US PATENT SUBCLASS 250 / 269.5
.~.~.~.~ Having thermal neutron detector

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

253  DF  GEOLOGICAL TESTING OR IRRADIATION {3}
256  DF  .~ Well testing apparatus and methods {9}
269.1  DF  .~.~ With source and detector {4}
269.4  DF  .~.~.~ Having neutron source and neutron detector {1}
269.5.~.~.~.~ Having thermal neutron detector

DEFINITION

Classification: 250/269.5

Having thermal neutron detector:

(under subclass 269.4) Subject matter wherein the neutron radiation detector detects neutrons with thermal energy levels (in contrast to detecting neutrons with fast or epithermal energy levels).