|712 / 1||-> 25||-> 26|
uspto searchesPatent Apps in 712/25
Granted Patents in 712/25
Advanced search in patft or appft for the hierarchy would be:
(ccl/712/25 or ccl/712/26 or ccl/712/27)
Press the Search button below to send the query to the USPTO site. (Granted patents search)
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.