USPC Class Details

Description: 370 multiplex communications / 370 multiplex communications/(351) pathfinding or routing (389) switching a message which includes an address header (391) switching input signals having different aggregate bit rates

Hierarchy/Derived subclasses

370 / 351-> 389-> 391

uspto searches

Patent Apps in 370/391

Granted Patents in 370/391

Use the links above or do an advanced search in ppubs for:
(370/391.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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