US PATENT SUBCLASS 376 / 293
.~.~ Containment structures

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

277  DF  REACTOR PROTECTION OR DAMAGE PREVENTION {14}
287  DF  .~ Shield or barrier between radiation or heat source and object to be protected (e.g., insulation, thermal shield) {4}
293.~.~ Containment structures {1}
294  DF  .~.~.~> Pressure vessels {1}

DEFINITION

Classification: 376/293

Containment structures:

(under subclass 287) Subject matter wherein the means to

attenuate either (a) completely surrounds the fission fuel region, or (b) provides the last level of attenuation of radiation prior to its entry into the environment.