USPC Class Details

Description: 455 telecommunications / 455 telecommunications/(403) radiotelephone system (422.1) zoned or cellular telephone system (445) call routing (e.g., to prevent backhaul, routing efficiency, least cost, or alternate routing)

Hierarchy/Derived subclasses

455 / 403

-> 422.1

-> 445

uspto searches

Patent Apps in 455/445

Granted Patents in 455/445

Use the links above or do an advanced search in ppubs for:
(455/445.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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