USPC Class Details

Description: 312 supports: cabinet structure / 312 supports: cabinet structure/(183) with card or sheet retainers (193.4) and a card selector

Hierarchy/Derived subclasses

312 / 183

-> 193.4

uspto searches

Patent Apps in 312/193.4

Granted Patents in 312/193.4

Use the links above or do an advanced search in ppubs for:
(312/193.4.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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