USPC Class Details – HistoricIP

Description: 134 cleaning and liquid contact with solids / 134 cleaning and liquid contact with solids/() processes (133) with work feeding and/or discharging means (134) rotary, swinging or pivoted, work support feeding or discharging conveyers (except mere gates or stops)

Hierarchy/Derived subclasses

134 / 133

-> 134

uspto searches

Patent Apps in 134/134

Granted Patents in 134/134

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