Hierarchy/Derived subclasses
| 122 / 44.1 | -> 51 | -> 52 | -> 53 | |
| -> 54 | ||||
| -> 55 | ||||
| -> 56 | ||||
| -> 57 | ||||
| -> 58r | -> 59 | |||
| -> 60 | ||||
| -> 61 | ||||
| -> 62 | ||||
| -> 63 | ||||
| -> 64 | ||||
| -> 65 | ||||
| -> 66 | ||||
| -> 67 | ||||
| -> 68 | -> 69 | |||
| -> 70 | ||||
| -> 71 | ||||
| -> 58fb | ||||
| -> 72 | -> 73 | |||
| -> 74 | ||||
| -> 75 | -> 76 | -> 77 | ||
| -> 78 | ||||
| -> 79 | ||||
| -> 80 | ||||
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| -> 84 | ||||
| -> 85 | -> 86 | |||
| -> 87 | ||||
| -> 88 | ||||
| -> 89 | ||||
| -> 90 | -> 91 | |||
| -> 92 | ||||
| -> 93 | -> 94.1 | |||
| -> 95.1 | -> 95.2 | |||
| -> 96 | ||||
| -> 97 | ||||
| -> 98 | ||||
| -> 99 | ||||
| -> 100 | ||||
| -> 101 | ||||
| -> 102 | ||||
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| -> 106 | -> 107 | |||
| -> 108 |
uspto searches
Patent Apps in 122/51Granted Patents in 122/51
Use the links above or do an advanced search in ppubs for:
(122/51.ccls. or 122/52.ccls. or 122/53.ccls. or 122/54.ccls. or 122/55.ccls. or 122/56.ccls. or 122/57.ccls. or 122/58r.ccls. or 122/59.ccls. or 122/60.ccls. or 122/61.ccls. or 122/62.ccls. or 122/63.ccls. or 122/64.ccls. or 122/65.ccls. or 122/66.ccls. or 122/67.ccls. or 122/68.ccls. or 122/69.ccls. or 122/70.ccls. or 122/71.ccls. or 122/58fb.ccls. or 122/72.ccls. or 122/73.ccls. or 122/74.ccls. or 122/75.ccls. or 122/76.ccls. or 122/77.ccls. or 122/78.ccls. or 122/79.ccls. or 122/80.ccls. or 122/81.ccls. or 122/82.ccls. or 122/83.ccls. or 122/84.ccls. or 122/85.ccls. or 122/86.ccls. or 122/87.ccls. or 122/88.ccls. or 122/89.ccls. or 122/90.ccls. or 122/91.ccls. or 122/92.ccls. or 122/93.ccls. or 122/94.1.ccls. or 122/95.1.ccls. or 122/95.2.ccls. or 122/96.ccls. or 122/97.ccls. or 122/98.ccls. or 122/99.ccls. or 122/100.ccls. or 122/101.ccls. or 122/102.ccls. or 122/103.ccls. or 122/104.ccls. or 122/105.ccls. or 122/106.ccls. or 122/107.ccls. or 122/108.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.