USPC Class Details

Description: 352 optics: motion pictures / 352 optics: motion pictures/(1) with sound accompaniment (12) picture and sound synchronizing (23) with synchronizing indicator (24) on picture and sound records

Hierarchy/Derived subclasses

352 / 1

-> 12

-> 23

-> 24

uspto searches

Patent Apps in 352/24

Granted Patents in 352/24

Use the links above or do an advanced search in ppubs for:
(352/24.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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