US PATENT SUBCLASS 376 / 273
SUBTERRANEAN REACTOR STRUCTURES (E.G., UNDERGROUND CONTAINMENT, UNDERGROUND EXPLOSIVE)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


376 /   HD   INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS

273SUBTERRANEAN REACTOR STRUCTURES (E.G., UNDERGROUND CONTAINMENT, UNDERGROUND EXPLOSIVE) {2}
274  DF  .~> For minimizing radioactive contamination within an underground chamber or of the material removed therefrom
275  DF  .~> For extracting materials or energy from the earth {1}

DEFINITION

Classification: 376/273

SUBTERRANEAN REACTOR STRUCTURES (E.G., UNDERGROUND CONTAINMENT, UNDERGROUND EXPLOSIVE):

(under the class definition) Subject matter wherein the reactor structure is recited as being located beneath the surface of the earth.

(1) Note. Underground nuclear explosives are proper subject matter for this and indented subclass.

(2) Note. The nuclear reaction energy may be obtained from nuclear explosives (either fission or fusion) or from a nuclear reactor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118, for subterranean systems utilizing Crockcroft-Walton Neutron generators.

160, for subterranean neutron activation analysis.