USPC Class Details

Description: 172 earth working / 172 earth working/(35) with drive means for tool or cleaner (74) with power take-off from tool drive to adjust tool

Hierarchy/Derived subclasses

172 / 35-> 74

uspto searches

Patent Apps in 172/74

Granted Patents in 172/74

Use the links above or do an advanced search in ppubs for:
(172/74.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.
Display:

Back