USPC Class Details

Description: 367 communications, electrical: acoustic wave systems and devices / 367 communications, electrical: acoustic wave systems and devices/(14) seismic prospecting (25) well logging (28) amplitude measurement (31) of noncompressional acoustic wave energy

Hierarchy/Derived subclasses

367 / 14-> 25-> 28-> 31

uspto searches

Patent Apps in 367/31

Granted Patents in 367/31

Use the links above or do an advanced search in ppubs for:
(367/31.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.
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