US PATENT SUBCLASS 376 / 253
.~.~.~ By the detection of fission products external to the fuel element

Current as of: June, 1999
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376 /   HD   INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS

245  DF  TESTING, SENSING, MEASURING, OR DETECTING A FISSION REACTOR CONDITION {10}
250  DF  .~ Leak detection {1}
251  DF  .~.~ Fuel element leak detection {2}
253.~.~.~ By the detection of fission products external to the fuel element

DEFINITION

Classification: 376/253

By the detection of fission product external to the fuel element:

(under subclass 251) Subject matter wherein the determination is made by sensing the presence of nuclear fission reaction product outside the fuel element.