Hierarchy/Derived subclasses
| 236 / 15r | -> 15a | |
| -> 15br | -> 15ba | |
| -> 15bb | ||
| -> 15bc | ||
| -> 15bd | ||
| -> 15be | ||
| -> 15bf | ||
| -> 15bg | ||
| -> 15c | ||
| -> 15e |
uspto searches
Patent Apps in 236/15rGranted Patents in 236/15r
Use the links above or do an advanced search in ppubs for:
(236/15r.ccls. or 236/15a.ccls. or 236/15br.ccls. or 236/15ba.ccls. or 236/15bb.ccls. or 236/15bc.ccls. or 236/15bd.ccls. or 236/15be.ccls. or 236/15bf.ccls. or 236/15bg.ccls. or 236/15c.ccls. or 236/15e.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.