USPC Class Details

Description: 175 boring or penetrating the earth / 175 boring or penetrating the earth/(293) below-ground (1) hammer, or (2) impact members (300) with releasable means to detachably retain telescoping members against axial reciprocation

Hierarchy/Derived subclasses

175 / 293-> 1-> 2-> 300-> 301
    -> 302-> 303
    -> 304

uspto searches

Patent Apps in 175/300

Granted Patents in 175/300

Use the links above or do an advanced search in ppubs for:
(175/300.ccls. or 175/301.ccls. or 175/302.ccls. or 175/303.ccls. or 175/304.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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