USPC Class Details

Description: 380 cryptography / 380 cryptography/(255) communication system using cryptography (275) speech scrambler detail (276) including sampling

Hierarchy/Derived subclasses

380 / 255-> 275-> 276

uspto searches

Patent Apps in 380/276

Granted Patents in 380/276

Use the links above or do an advanced search in ppubs for:
(380/276.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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