USPC Class Details

Description: 172 earth working / 172 earth working/(35) with drive means for tool or cleaner (118) tool driven about axis transverse to draft line (121) laterally extending bar or blade with skeleton support (e.g., lawn mower type, etc.)

Hierarchy/Derived subclasses

172 / 35

-> 118

-> 121

uspto searches

Patent Apps in 172/121

Granted Patents in 172/121

Use the links above or do an advanced search in ppubs for:
(172/121.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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