Hierarchy/Derived subclasses
D6 / 329 | -> 672 | -> 677 | -> 677.3 |
uspto searches
Patent Apps in D6/677.3Granted Patents in D6/677.3
Use the links above or do an advanced search in ppubs for:
(D6/677.3.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.