Hierarchy/Derived subclasses
D14 / 496 | -> 137 | -> 138r | -> 138c |
uspto searches
Patent Apps in D14/138cGranted Patents in D14/138c
Use the links above or do an advanced search in ppubs for:
(D14/138c.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.