USPC Class Details

Description: 455 telecommunications / 455 telecommunications/(73) transmitter and receiver at same station (e.g., transceiver) (78) with transmitter-receiver switching or interaction prevention (79) automatic (e.g., voice operated) (80) with distributed parameter coupling (81) waveguide

Hierarchy/Derived subclasses

455 / 73-> 78-> 79-> 80-> 81

uspto searches

Patent Apps in 455/81

Granted Patents in 455/81

Use the links above or do an advanced search in ppubs for:
(455/81.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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