Hierarchy/Derived subclasses
312 / 8.1 | -> 8.13 | -> 8.14 |
-> 8.15 |
uspto searches
Patent Apps in 312/8.13Granted Patents in 312/8.13
Use the links above or do an advanced search in ppubs for:
(312/8.13.ccls. or 312/8.14.ccls. or 312/8.15.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.