USPC Class Details – HistoricIP

Description: 134 cleaning and liquid contact with solids / 134 cleaning and liquid contact with solids/() processes (61) sequential work treating receptacles or stations with means to transfer work or fluid-applying devices (65) with screw work conveyor

Hierarchy/Derived subclasses

134 / 61

-> 65

uspto searches

Patent Apps in 134/65

Granted Patents in 134/65

Use the links above or do an advanced search in ppubs for:
(134/65.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.