USPC Class Details

Description: 171 unearthing plants or buried objects / 171 unearthing plants or buried objects/(111) earth removal and separation (114) with impeller or clod breaker for excavator or separator (117) endless belt type impeller or breaker (120) endless impeller or breaker above excavator or separator

Hierarchy/Derived subclasses

171 / 111

-> 114

-> 117

-> 120

uspto searches

Patent Apps in 171/120

Granted Patents in 171/120

Use the links above or do an advanced search in ppubs for:
(171/120.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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