USPC Class Details

Description: 175 boring or penetrating the earth / 175 boring or penetrating the earth/(263) cutter element laterally shiftable below ground (e.g., expansible) (284) cutter element shifted by longitudinally relatively movable parts (286) cam or gear engaging cutter element (289) cutter element spring biased to retracted position

Hierarchy/Derived subclasses

175 / 263

-> 284

-> 286

-> 289

uspto searches

Patent Apps in 175/289

Granted Patents in 175/289

Use the links above or do an advanced search in ppubs for:
(175/289.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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