USPC Class Details – HistoricIP

Description: 134 cleaning and liquid contact with solids / 134 cleaning and liquid contact with solids/() processes (124) with endless belt work conveyer (128) with means to release work held on belt

Hierarchy/Derived subclasses

134 / 124

-> 128

uspto searches

Patent Apps in 134/128

Granted Patents in 134/128

Use the links above or do an advanced search in ppubs for:
(134/128.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.