USPC Class Details

Description: 175 boring or penetrating the earth / 175 boring or penetrating the earth/(2) boring with explosion in inaccessible hole (4.54) with bore condition firing control, or compensating means

Hierarchy/Derived subclasses

175 / 2

-> 4.54

uspto searches

Patent Apps in 175/4.54

Granted Patents in 175/4.54

Use the links above or do an advanced search in ppubs for:
(175/4.54.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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