Hierarchy/Derived subclasses
| 24 / 68r | -> 69r | -> 70r | -> 70sk |
| -> 70t | |||
| -> 70ct | |||
| -> 70tt | |||
| -> 70st | |||
| -> 70j | |||
| -> 69st | |||
| -> 69tt | |||
| -> 69ct | |||
| -> 69cf | |||
| -> 69t | |||
| -> 69tm | |||
| -> 69ts | |||
| -> 69j | |||
| -> 69at | |||
| -> 69fp | |||
| -> 69sb | |||
| -> 69wt | |||
| -> 69ef | |||
| -> 69sk | |||
| -> 71r | -> 71t | ||
| -> 71st | |||
| -> 71tt | |||
| -> 71sb | |||
| -> 71a | |||
| -> 71j | |||
| -> 71td | |||
| -> 71ct | |||
| -> 71sk | |||
| -> 71sd | |||
| -> 71.1 | |||
| -> 68j | |||
| -> 68sb | |||
| -> 68as | |||
| -> 68pp | |||
| -> 68fp | |||
| -> 68cd | |||
| -> 68ct | |||
| -> 68bt | |||
| -> 68tt | |||
| -> 68sk | |||
| -> 68a | |||
| -> 68b | |||
| -> 68c | |||
| -> 68d | |||
| -> 68e | |||
| -> 68f | |||
| -> 68t | |||
| -> 68sc |
uspto searches
Patent Apps in 24/68rGranted Patents in 24/68r
Use the links above or do an advanced search in ppubs for:
(24/68r.ccls. or 24/69r.ccls. or 24/70r.ccls. or 24/70sk.ccls. or 24/70t.ccls. or 24/70ct.ccls. or 24/70tt.ccls. or 24/70st.ccls. or 24/70j.ccls. or 24/69st.ccls. or 24/69tt.ccls. or 24/69ct.ccls. or 24/69cf.ccls. or 24/69t.ccls. or 24/69tm.ccls. or 24/69ts.ccls. or 24/69j.ccls. or 24/69at.ccls. or 24/69fp.ccls. or 24/69sb.ccls. or 24/69wt.ccls. or 24/69ef.ccls. or 24/69sk.ccls. or 24/71r.ccls. or 24/71t.ccls. or 24/71st.ccls. or 24/71tt.ccls. or 24/71sb.ccls. or 24/71a.ccls. or 24/71j.ccls. or 24/71td.ccls. or 24/71ct.ccls. or 24/71sk.ccls. or 24/71sd.ccls. or 24/71.1.ccls. or 24/68j.ccls. or 24/68sb.ccls. or 24/68as.ccls. or 24/68pp.ccls. or 24/68fp.ccls. or 24/68cd.ccls. or 24/68ct.ccls. or 24/68bt.ccls. or 24/68tt.ccls. or 24/68sk.ccls. or 24/68a.ccls. or 24/68b.ccls. or 24/68c.ccls. or 24/68d.ccls. or 24/68e.ccls. or 24/68f.ccls. or 24/68t.ccls. or 24/68sc.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.