Hierarchy/Derived subclasses
376 / 207 | -> 215 | -> 216 | -> 217 | -> 218 |
uspto searches
Patent Apps in 376/215Granted Patents in 376/215
Use the links above or do an advanced search in ppubs for:
(376/215.ccls. or 376/216.ccls. or 376/217.ccls. or 376/218.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.