Hierarchy/Derived subclasses
| 235 / 435 | -> 439 | -> 454 | -> 455 | ||||||
| -> 456 | |||||||||
| -> 457 | |||||||||
| -> 458 | -> 459 | -> 460 | |||||||
| -> 461 | |||||||||
| -> 462.01 | -> 462.02 | ||||||||
| -> 462.03 | |||||||||
| -> 462.04 | |||||||||
| -> 462.05 | |||||||||
| -> 462.06 | |||||||||
| -> 462.07 | |||||||||
| -> 462.08 | -> 462.09 | ||||||||
| -> 462.1 | -> 462.11 | ||||||||
| -> 462.12 | |||||||||
| -> 462.13 | |||||||||
| -> 462.14 | |||||||||
| -> 462.15 | |||||||||
| -> 462.16 | -> 462.17 | ||||||||
| -> 462.18 | -> 462.19 | ||||||||
| -> 462.2 | -> 462.21 | ||||||||
| -> 462.22 | -> 462.23 | -> 462.24 | |||||||
| -> 462.25 | -> 462.26 | ||||||||
| -> 462.27 | |||||||||
| -> 462.28 | |||||||||
| -> 462.29 | |||||||||
| -> 462.3 | -> 462.31 | ||||||||
| -> 462.32 | -> 462.33 | -> 462.34 | |||||||
| -> 462.35 | |||||||||
| -> 462.36 | -> 462.37 | ||||||||
| -> 462.38 | -> 462.39 | -> 462.4 | |||||||
| -> 462.41 | -> 462.42 | ||||||||
| -> 462.43 | -> 462.44 | ||||||||
| -> 462.45 | -> 462.46 | ||||||||
| -> 462.47 | |||||||||
| -> 462.48 | |||||||||
| -> 462.49 | |||||||||
| -> 468 | |||||||||
| -> 469 | |||||||||
| -> 470 | -> 471 | ||||||||
| -> 472.01 | -> 472.02 | ||||||||
| -> 472.03 | |||||||||
| -> 473 |
uspto searches
Patent Apps in 235/454Granted Patents in 235/454
Use the links above or do an advanced search in ppubs for:
(235/454.ccls. or 235/455.ccls. or 235/456.ccls. or 235/457.ccls. or 235/458.ccls. or 235/459.ccls. or 235/460.ccls. or 235/461.ccls. or 235/462.01.ccls. or 235/462.02.ccls. or 235/462.03.ccls. or 235/462.04.ccls. or 235/462.05.ccls. or 235/462.06.ccls. or 235/462.07.ccls. or 235/462.08.ccls. or 235/462.09.ccls. or 235/462.1.ccls. or 235/462.11.ccls. or 235/462.12.ccls. or 235/462.13.ccls. or 235/462.14.ccls. or 235/462.15.ccls. or 235/462.16.ccls. or 235/462.17.ccls. or 235/462.18.ccls. or 235/462.19.ccls. or 235/462.2.ccls. or 235/462.21.ccls. or 235/462.22.ccls. or 235/462.23.ccls. or 235/462.24.ccls. or 235/462.25.ccls. or 235/462.26.ccls. or 235/462.27.ccls. or 235/462.28.ccls. or 235/462.29.ccls. or 235/462.3.ccls. or 235/462.31.ccls. or 235/462.32.ccls. or 235/462.33.ccls. or 235/462.34.ccls. or 235/462.35.ccls. or 235/462.36.ccls. or 235/462.37.ccls. or 235/462.38.ccls. or 235/462.39.ccls. or 235/462.4.ccls. or 235/462.41.ccls. or 235/462.42.ccls. or 235/462.43.ccls. or 235/462.44.ccls. or 235/462.45.ccls. or 235/462.46.ccls. or 235/462.47.ccls. or 235/462.48.ccls. or 235/462.49.ccls. or 235/468.ccls. or 235/469.ccls. or 235/470.ccls. or 235/471.ccls. or 235/472.01.ccls. or 235/472.02.ccls. or 235/472.03.ccls. or 235/473.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.