Hierarchy/Derived subclasses
435 / 440 | -> 441 | -> 442 | |
-> 443 | |||
-> 444 | |||
-> 445 | |||
-> 446 | -> 447 | ||
-> 448 | |||
-> 449 | -> 450 | ||
-> 451 | |||
-> 452 | |||
-> 453 | |||
-> 454 | |||
-> 455 | -> 456 | -> 457 | |
-> 458 | |||
-> 459 | |||
-> 460 | |||
-> 461 | |||
-> 462 | |||
-> 463 | |||
-> 464 | |||
-> 465 | |||
-> 466 | |||
-> 467 | |||
-> 468 | -> 469 | ||
-> 470 | |||
-> 471 | -> 472 | ||
-> 473 | |||
-> 474 | |||
-> 475 | |||
-> 476 | -> 477 | ||
-> 478 | |||
-> 479 | |||
-> 480 | |||
-> 481 | |||
-> 482 | |||
-> 483 | |||
-> 484 | |||
-> 485 | |||
-> 486 | |||
-> 487 | |||
-> 488 | |||
-> 489 | |||
-> 490 |
uspto searches
Patent Apps in 435/440Granted Patents in 435/440
Use the links above or do an advanced search in ppubs for:
(435/440.ccls. or 435/441.ccls. or 435/442.ccls. or 435/443.ccls. or 435/444.ccls. or 435/445.ccls. or 435/446.ccls. or 435/447.ccls. or 435/448.ccls. or 435/449.ccls. or 435/450.ccls. or 435/451.ccls. or 435/452.ccls. or 435/453.ccls. or 435/454.ccls. or 435/455.ccls. or 435/456.ccls. or 435/457.ccls. or 435/458.ccls. or 435/459.ccls. or 435/460.ccls. or 435/461.ccls. or 435/462.ccls. or 435/463.ccls. or 435/464.ccls. or 435/465.ccls. or 435/466.ccls. or 435/467.ccls. or 435/468.ccls. or 435/469.ccls. or 435/470.ccls. or 435/471.ccls. or 435/472.ccls. or 435/473.ccls. or 435/474.ccls. or 435/475.ccls. or 435/476.ccls. or 435/477.ccls. or 435/478.ccls. or 435/479.ccls. or 435/480.ccls. or 435/481.ccls. or 435/482.ccls. or 435/483.ccls. or 435/484.ccls. or 435/485.ccls. or 435/486.ccls. or 435/487.ccls. or 435/488.ccls. or 435/489.ccls. or 435/490.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.