USPC Class Details

Description: 352 optics: motion pictures / 352 optics: motion pictures/(1) with sound accompaniment (11) sound allocation

Hierarchy/Derived subclasses

352 / 1-> 11

uspto searches

Patent Apps in 352/11

Granted Patents in 352/11

Use the links above or do an advanced search in ppubs for:
(352/11.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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