US PATENT SUBCLASS 702 / 2
.~ Earth science

Current as of: June, 1999
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702 /   HD   DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING

1  DF  MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT {6}
2.~ Earth science {4}
3  DF  .~.~> Weather {1}
5  DF  .~.~> Topography (e.g., land mapping)
6  DF  .~.~> Well logging or borehole study {5}
14  DF  .~.~> Seismology {4}

DEFINITION

Classification: 702/2

Earth science:

(under subclass 1) Subject matter wherein the measurement system or process is designed for or utilized in an area directed to the earth or its related sciences.

SEE OR SEARCH CLASS

73, Measuring and Testing,

784, for earth stresses measuring and testing.

405, Hydraulic and Earth Engineering, appropriate subclasses, particularly

258+, for earth treatment or control.

434, Education and Demonstration,

130+, for subject matter relating to the teaching of geography.