Hierarchy/Derived subclasses
| 298 / 17r | -> 17.5 | -> 17.6 | -> 17.7 |
| -> 17.8 | |||
| -> 18 | |||
| -> 19r | -> 20r | -> 20a | |
| -> 22r | -> 22ae | ||
| -> 22c | |||
| -> 22f | |||
| -> 22j | |||
| -> 22p | |||
| -> 22a | |||
| -> 22b | |||
| -> 22d | |||
| -> 21r | -> 21v | ||
| -> 19b | |||
| -> 19v | |||
| -> 23r | -> 23md | ||
| -> 23m | |||
| -> 23s | |||
| -> 23a | -> 23b | ||
| -> 23f | |||
| -> 23d | -> 23df | ||
| -> 23c | |||
| -> 23tt | |||
| -> 17b | |||
| -> 17s | |||
| -> 17sg | |||
| -> 17t |
uspto searches
Patent Apps in 298/17rGranted Patents in 298/17r
Use the links above or do an advanced search in ppubs for:
(298/17r.ccls. or 298/17.5.ccls. or 298/17.6.ccls. or 298/17.7.ccls. or 298/17.8.ccls. or 298/18.ccls. or 298/19r.ccls. or 298/20r.ccls. or 298/20a.ccls. or 298/22r.ccls. or 298/22ae.ccls. or 298/22c.ccls. or 298/22f.ccls. or 298/22j.ccls. or 298/22p.ccls. or 298/22a.ccls. or 298/22b.ccls. or 298/22d.ccls. or 298/21r.ccls. or 298/21v.ccls. or 298/19b.ccls. or 298/19v.ccls. or 298/23r.ccls. or 298/23md.ccls. or 298/23m.ccls. or 298/23s.ccls. or 298/23a.ccls. or 298/23b.ccls. or 298/23f.ccls. or 298/23d.ccls. or 298/23df.ccls. or 298/23c.ccls. or 298/23tt.ccls. or 298/17b.ccls. or 298/17s.ccls. or 298/17sg.ccls. or 298/17t.ccls.)
At about 35 search terms the uspto will give you this error "Too many search terms" The 35th term is bold.
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.