USPC Class Details

Description: 370 multiplex communications / 370 multiplex communications/(216) fault recovery (221) bypass an inoperative station (222) in a ring or loop network (223) using a secondary ring or loop

Hierarchy/Derived subclasses

370 / 216

-> 221

-> 222

-> 223

-> 224

uspto searches

Patent Apps in 370/223

Granted Patents in 370/223

Use the links above or do an advanced search in ppubs for:
(370/223.ccls. or 370/224.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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