USPC Class Details

Description: 370 multiplex communications / 370 multiplex communications/(276) duplex (282) transmit/receive interaction control (286) echo suppression or cancellation (287) disabling or inhibiting

Hierarchy/Derived subclasses

370 / 276-> 282-> 286-> 287

uspto searches

Patent Apps in 370/287

Granted Patents in 370/287

Use the links above or do an advanced search in ppubs for:
(370/287.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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