US PATENT SUBCLASS 374 / 136-- .~ Geophysical (e.g., well bore, underwater)

US PATENT SUBCLASS 374 / 136
.~ Geophysical (e.g., well bore, underwater)

Current as of: June, 1999
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374 /	HD	THERMAL MEASURING AND TESTING

100	DF	TEMPERATURE MEASUREMENT (E.G., THERMOMETER) {13}
136		.~ Geophysical (e.g., well bore, underwater)

DEFINITION

Classification: 374/136

Geophysical (e.g., well bore, underwater):

(under subclass 100) Subject matter for temperature determination beneath the surface of the earth or of a body of water.

SEE OR SEARCH THIS CLASS, SUBCLASS:

109, for plural or composite atmospheric temperature measurement.

SEE OR SEARCH CLASS

73, Measuring and Testing,

152.12+, for borehole formation logging by making a thermal measurement, subclass 152.33 for thermal rate of fluid flow measuring in a borehole; and subclasses 170.01+ for measurement of oceanos:graphic or atmospheric phenomena, in general.