Hierarchy/Derived subclasses
454 / 69 | -> 83 | -> 107 | -> 108 | -> 109 |
uspto searches
Patent Apps in 454/108Granted Patents in 454/108
Use the links above or do an advanced search in ppubs for:
(454/108.ccls. or 454/109.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.