(under subclass 100) Subject matter wherein the analyzed image is a sample of earth or rock.
(1) Note. Included in this subclass are core samples and samples from boreholes, as well as other geological samples. Features extracted from the sample include those that define the form, structure, color, and mineralogical composition of the sample.
SEE OR SEARCH CLASS
73, Measuring and Testing,
152.01+, for boreholes, and subclass 784 for measuring earth stresses.
348, Television,
85, for use of television systems in borehole inspection.
356, Optics: Measuring and Testing, 241.1+, for borescopes and bore inspection.
367, Communications, Electrical: Acoustic Wave Systems and Devices, appropriate subclasses for extraction and processing
