USPC Class Details

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 (9.47) manually slidable recording medium or medium support (9.57) spring biased

Hierarchy/Derived subclasses

312 / 9.1

-> 9.9

-> 9.47

-> 9.57

uspto searches

Patent Apps in 312/9.57

Granted Patents in 312/9.57

Use the links above or do an advanced search in ppubs for:
(312/9.57.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.

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