US PATENT SUBCLASS 250 / 390.04-- .~.~ Composition analysis

US PATENT SUBCLASS 250 / 390.04
.~.~ Composition analysis

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

336.1	DF	INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING {16}
390.01	DF	.~ Neutron responsive means {10}
390.04		.~.~ Composition analysis {1}
390.05	DF	.~.~.~> For moisture content

DEFINITION

Classification: 250/390.04

Composition analysis:

(under subclass 390.01) Subject matter in combination with means to determine the constituents of an object.

SEE OR SEARCH THIS CLASS, SUBCLASS:

269.4, for composition analysis of a formation surrounding a bore-hole using a source.

370.03, for semiconductor detectors of fission fragment or fissionable isotopes.

SEE OR SEARCH CLASS

376, Induced Nuclear Reactions: Processes, Systems, and Elements,

159, for neutron activation analysis. 378, X-Ray or Gamma Ray Systems or Devices,

45+, for composition analysis using fluorescence, subclass 53 for composition analysis using absorption, and subclass 83 for composition analysis using spatial energy dispersion.