Description: 203 / (100) Mail Sorting And Handling (102) Coders and Code Readers and Codes

Hierarchy/Derived subclasses

203 / 100

-> 102

CIPO search

search just 203/102

This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find patents in those subclasses.

Display:

Back