Hierarchy/Derived subclasses
977 / 700 | -> 734 | -> 735 | -> 736 |
uspto searches
Patent Apps in 977/736Granted Patents in 977/736
Use the links above or do an advanced search in ppubs for:
(977/736.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.