USPC Class Details

Description: 455 telecommunications / 455 telecommunications/(73) transmitter and receiver at same station (e.g., transceiver) (550.1) radiotelephone equipment detail (557) interface attached device (e.g., interface with modem, facsimile, computer, etc.)

Hierarchy/Derived subclasses

455 / 73-> 550.1-> 557-> 558
   -> 559

uspto searches

Patent Apps in 455/557

Granted Patents in 455/557

Use the links above or do an advanced search in ppubs for:
(455/557.ccls. or 455/558.ccls. or 455/559.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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