US PATENT SUBCLASS 250 / 370.03
.~.~ Fission fragment/fissionable isotope detection system

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

336.1  DF  INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING {16}
370.01  DF  .~ Semiconductor system {13}
370.03.~.~ Fission fragment/fissionable isotope detection system

DEFINITION

Classification: 250/370.03

Fission fragment/fissionable isotope detection system:

(under subclass 370.01) Subject matter wherein the system contains detection means to generate an electric signal in response to a fission fragment or fissionable isotope impingent thereupon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

255, for geological testing with sampling for the presence of fissionable isotopes.

269.1+, for geological testing with a radiation source for the presence of fissionable isotopes.

390.04, for composition analysis using a neutron detector.

SEE OR SEARCH CLASS

376, Induced Nuclear Reactions: Processes, Systems, and Elements, 253, for reactor fuel element leak detection by detection of fission products external to the fuel element; and subclass 257 for reactor fuel assay.