Hierarchy/Derived subclasses
| 427 / 457 | -> 569 | -> 570 | -> 571 |
| -> 572 | |||
| -> 573 | |||
| -> 574 | |||
| -> 575 | |||
| -> 576 | |||
| -> 577 | |||
| -> 578 | -> 579 |
uspto searches
Patent Apps in 427/569Granted Patents in 427/569
Use the links above or do an advanced search in ppubs for:
(427/569.ccls. or 427/570.ccls. or 427/571.ccls. or 427/572.ccls. or 427/573.ccls. or 427/574.ccls. or 427/575.ccls. or 427/576.ccls. or 427/577.ccls. or 427/578.ccls. or 427/579.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.