Hierarchy/Derived subclasses
| 977 / 700 | -> 788 | -> 797 | -> 798 | -> 799 | -> 800 |
| -> 801 |
uspto searches
Patent Apps in 977/799Granted Patents in 977/799
Use the links above or do an advanced search in ppubs for:
(977/799.ccls. or 977/800.ccls. or 977/801.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.