USPC Class Details

Description: 455 telecommunications / 455 telecommunications/(7) carrier wave repeater or relay system (i.e., retransmission of same information) (23) frequency or phase modulation

Hierarchy/Derived subclasses

455 / 7-> 23

uspto searches

Patent Apps in 455/23

Granted Patents in 455/23

Use the links above or do an advanced search in ppubs for:
(455/23.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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