Hierarchy/Derived subclasses
273 / 317 | -> 317.1 | -> 317.2 | ||
-> 317.3 | ||||
-> 317.4 | ||||
-> 317.5 | ||||
-> 317.6 | -> 317.7 | -> 317.8 | ||
-> 317.9 |
uspto searches
Patent Apps in 273/317.1Granted Patents in 273/317.1
Use the links above or do an advanced search in ppubs for:
(273/317.1.ccls. or 273/317.2.ccls. or 273/317.3.ccls. or 273/317.4.ccls. or 273/317.5.ccls. or 273/317.6.ccls. or 273/317.7.ccls. or 273/317.8.ccls. or 273/317.9.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.