Hierarchy/Derived subclasses
556 / 1 | -> 81 | -> 87 | -> 88 | -> 89 | -> 90 | -> 91 |
-> 92 | ||||||
-> 93 | ||||||
-> 94 | ||||||
-> 95 | -> 96 | |||||
-> 97 | ||||||
-> 98 | -> 99 | |||||
-> 100 | ||||||
-> 101 | ||||||
-> 102 | ||||||
-> 103 | ||||||
-> 104 |
uspto searches
Patent Apps in 556/87Granted Patents in 556/87
Use the links above or do an advanced search in ppubs for:
(556/87.ccls. or 556/88.ccls. or 556/89.ccls. or 556/90.ccls. or 556/91.ccls. or 556/92.ccls. or 556/93.ccls. or 556/94.ccls. or 556/95.ccls. or 556/96.ccls. or 556/97.ccls. or 556/98.ccls. or 556/99.ccls. or 556/100.ccls. or 556/101.ccls. or 556/102.ccls. or 556/103.ccls. or 556/104.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.