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 (296) fluid-operated (297) restricted orifice for initially delaying escape of restraining fluid

Hierarchy/Derived subclasses

175 / 293

-> 1

-> 2

-> 296

-> 297

uspto searches

Patent Apps in 175/297

Granted Patents in 175/297

Use the links above or do an advanced search in ppubs for:
(175/297.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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