Hierarchy/Derived subclasses
| 188 / 2r | -> 3r | -> 3h | ||
| -> 4r | -> 4b | |||
| -> 5 | -> 6 | |||
| -> 7 | ||||
| -> 8 | ||||
| -> 9 | -> 10 | |||
| -> 11 | ||||
| -> 12 | -> 13 | |||
| -> 14 | ||||
| -> 15 | ||||
| -> 16 | ||||
| -> 17 | -> 18r | -> 18a | ||
| -> 19 | ||||
| -> 20 | ||||
| -> 21 | -> 22 | -> 23 | ||
| -> 24.11 | -> 24.12 | -> 24.13 | ||
| -> 24.14 | -> 24.15 | |||
| -> 24.16 | ||||
| -> 24.17 | ||||
| -> 24.18 | ||||
| -> 24.19 | ||||
| -> 24.21 | ||||
| -> 24.22 | ||||
| -> 25 | ||||
| -> 26 | ||||
| -> 27 | ||||
| -> 28 | ||||
| -> 29 | ||||
| -> 30 | ||||
| -> 31 | ||||
| -> 32 | ||||
| -> 33 | -> 34 | |||
| -> 35 | -> 36 | -> 37 | ||
| -> 38 | -> 38.5 | |||
| -> 39 | ||||
| -> 40 | ||||
| -> 41 | -> 42 | |||
| -> 43 | -> 44 | |||
| -> 45 | ||||
| -> 46 | ||||
| -> 47 | ||||
| -> 48 | ||||
| -> 49 | -> 50 | |||
| -> 51 | ||||
| -> 52 | -> 53 | -> 54 | ||
| -> 55 | ||||
| -> 56 | ||||
| -> 57 | ||||
| -> 58 | -> 59 | |||
| -> 60 | ||||
| -> 61 | ||||
| -> 62 | -> 63 | |||
| -> 2a | ||||
| -> 2d | ||||
| -> 2f |
uspto searches
Patent Apps in 188/2rGranted Patents in 188/2r
Use the links above or do an advanced search in ppubs for:
(188/2r.ccls. or 188/3r.ccls. or 188/3h.ccls. or 188/4r.ccls. or 188/4b.ccls. or 188/5.ccls. or 188/6.ccls. or 188/7.ccls. or 188/8.ccls. or 188/9.ccls. or 188/10.ccls. or 188/11.ccls. or 188/12.ccls. or 188/13.ccls. or 188/14.ccls. or 188/15.ccls. or 188/16.ccls. or 188/17.ccls. or 188/18r.ccls. or 188/18a.ccls. or 188/19.ccls. or 188/20.ccls. or 188/21.ccls. or 188/22.ccls. or 188/23.ccls. or 188/24.11.ccls. or 188/24.12.ccls. or 188/24.13.ccls. or 188/24.14.ccls. or 188/24.15.ccls. or 188/24.16.ccls. or 188/24.17.ccls. or 188/24.18.ccls. or 188/24.19.ccls. or 188/24.21.ccls. or 188/24.22.ccls. or 188/25.ccls. or 188/26.ccls. or 188/27.ccls. or 188/28.ccls. or 188/29.ccls. or 188/30.ccls. or 188/31.ccls. or 188/32.ccls. or 188/33.ccls. or 188/34.ccls. or 188/35.ccls. or 188/36.ccls. or 188/37.ccls. or 188/38.ccls. or 188/38.5.ccls. or 188/39.ccls. or 188/40.ccls. or 188/41.ccls. or 188/42.ccls. or 188/43.ccls. or 188/44.ccls. or 188/45.ccls. or 188/46.ccls. or 188/47.ccls. or 188/48.ccls. or 188/49.ccls. or 188/50.ccls. or 188/51.ccls. or 188/52.ccls. or 188/53.ccls. or 188/54.ccls. or 188/55.ccls. or 188/56.ccls. or 188/57.ccls. or 188/58.ccls. or 188/59.ccls. or 188/60.ccls. or 188/61.ccls. or 188/62.ccls. or 188/63.ccls. or 188/2a.ccls. or 188/2d.ccls. or 188/2f.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.