USPC Class Details – HistoricIP

Description: 134 cleaning and liquid contact with solids / 134 cleaning and liquid contact with solids/() processes (44) operating or controlling device engaged and moved by work or separate work holder (46) devices other than valves (e.g., automatic work counters) (47) pumps

Hierarchy/Derived subclasses

134 / 44

-> 46

-> 47

uspto searches

Patent Apps in 134/47

Granted Patents in 134/47

Use the links above or do an advanced search in ppubs for:
(134/47.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.