Hierarchy/Derived subclasses
| 318 / 34 | -> 66 | -> 68 | -> 69 | -> 70 | -> 71 | |
| -> 72 | ||||||
| -> 73 | ||||||
| -> 74 | -> 75 | |||||
| -> 76 |
uspto searches
Patent Apps in 318/69Granted Patents in 318/69
Use the links above or do an advanced search in ppubs for:
(318/69.ccls. or 318/70.ccls. or 318/71.ccls. or 318/72.ccls. or 318/73.ccls. or 318/74.ccls. or 318/75.ccls. or 318/76.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.