USPC Class Details – HistoricIP

Description: 312 supports: cabinet structure / 312 supports: cabinet structure/(34.1) for sheet material (e.g., towel) (34.8) in roll form (34.23) having plural outlets

Hierarchy/Derived subclasses

312 / 34.1

-> 34.8

-> 34.23

uspto searches

Patent Apps in 312/34.23

Granted Patents in 312/34.23

Use the links above or do an advanced search in ppubs for:
(312/34.23.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.