Hierarchy/Derived subclasses
| 119 / 416 | -> 436 | -> 437 | -> 438 | |
| -> 439 | ||||
| -> 440 | ||||
| -> 441 | ||||
| -> 442 | -> 443 | |||
| -> 444 | -> 445 | -> 446 | ||
| -> 447 | ||||
| -> 448 | ||||
| -> 449 | ||||
| -> 450 | -> 451 |
uspto searches
Patent Apps in 119/436Granted Patents in 119/436
Use the links above or do an advanced search in ppubs for:
(119/436.ccls. or 119/437.ccls. or 119/438.ccls. or 119/439.ccls. or 119/440.ccls. or 119/441.ccls. or 119/442.ccls. or 119/443.ccls. or 119/444.ccls. or 119/445.ccls. or 119/446.ccls. or 119/447.ccls. or 119/448.ccls. or 119/449.ccls. or 119/450.ccls. or 119/451.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.