USPC Class Details – HistoricIP

Description: 312 supports: cabinet structure / 312 supports: cabinet structure/(9.1) for storing audio or visual recording medium (e.g., compact disc, phonograph record, film, tape) (9.9) disk or parallelepiped shape (9.29) removed by a master ejector (9.32) supported on a shelf (9.34) including a manual sliding selector

Hierarchy/Derived subclasses

312 / 9.1	-> 9.9	-> 9.29	-> 9.32	-> 9.34	-> 9.35
					-> 9.36	-> 9.37

uspto searches

Patent Apps in 312/9.34

Granted Patents in 312/9.34

Use the links above or do an advanced search in ppubs for:
(312/9.34.ccls. or 312/9.35.ccls. or 312/9.36.ccls. or 312/9.37.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.