USPC Class Details

Description: 380 cryptography / 380 cryptography/(200) video cryptography (210) video electric signal modification (e.g., scrambling) (221) by modifying synchronizing signal (222) including phase inversion of scan line information

Hierarchy/Derived subclasses

380 / 200-> 210-> 221-> 222

uspto searches

Patent Apps in 380/222

Granted Patents in 380/222

Use the links above or do an advanced search in ppubs for:
(380/222.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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