USPC Class Details

Description: 504 plant protecting and regulating compositions / 504 plant protecting and regulating compositions/(116.1) plant growth regulating compositions (e.g., herbicides, etc.) (162) abscission agent, defoliant, or desiccant (166) hetero ring containing active ingredient (167) hetero ring is six-membered including nitrogen

Hierarchy/Derived subclasses

504 / 116.1

-> 162

-> 166

-> 167

-> 168

uspto searches

Patent Apps in 504/167

Granted Patents in 504/167

Use the links above or do an advanced search in ppubs for:
(504/167.ccls. or 504/168.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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