Hierarchy/Derived subclasses
701 / 1 | -> 29.1 | -> 29.2 | |||
-> 29.3 | |||||
-> 29.4 | -> 29.5 | ||||
-> 29.6 | |||||
-> 29.7 | -> 29.8 | ||||
-> 29.9 | |||||
-> 30.1 | |||||
-> 30.2 | |||||
-> 30.3 | |||||
-> 30.4 | |||||
-> 30.5 | -> 30.6 | ||||
-> 30.7 | |||||
-> 30.8 | |||||
-> 30.9 | |||||
-> 31.1 | -> 31.2 | ||||
-> 31.3 | |||||
-> 31.4 | -> 31.5 | ||||
-> 31.6 | |||||
-> 31.7 | |||||
-> 31.8 | |||||
-> 31.9 | |||||
-> 32.1 | |||||
-> 32.2 | |||||
-> 32.3 | -> 32.4 | ||||
-> 32.5 | |||||
-> 32.6 | |||||
-> 32.7 | |||||
-> 32.8 | |||||
-> 32.9 | |||||
-> 33.1 | |||||
-> 33.2 | -> 33.3 | ||||
-> 33.4 | |||||
-> 33.5 | |||||
-> 33.6 | |||||
-> 33.7 | -> 33.8 | ||||
-> 33.9 | -> 34.1 | ||||
-> 34.2 | |||||
-> 34.3 | |||||
-> 34.4 |
uspto searches
Patent Apps in 701/29.1Granted Patents in 701/29.1
Use the links above or do an advanced search in ppubs for:
(701/29.1.ccls. or 701/29.2.ccls. or 701/29.3.ccls. or 701/29.4.ccls. or 701/29.5.ccls. or 701/29.6.ccls. or 701/29.7.ccls. or 701/29.8.ccls. or 701/29.9.ccls. or 701/30.1.ccls. or 701/30.2.ccls. or 701/30.3.ccls. or 701/30.4.ccls. or 701/30.5.ccls. or 701/30.6.ccls. or 701/30.7.ccls. or 701/30.8.ccls. or 701/30.9.ccls. or 701/31.1.ccls. or 701/31.2.ccls. or 701/31.3.ccls. or 701/31.4.ccls. or 701/31.5.ccls. or 701/31.6.ccls. or 701/31.7.ccls. or 701/31.8.ccls. or 701/31.9.ccls. or 701/32.1.ccls. or 701/32.2.ccls. or 701/32.3.ccls. or 701/32.4.ccls. or 701/32.5.ccls. or 701/32.6.ccls. or 701/32.7.ccls. or 701/32.8.ccls. or 701/32.9.ccls. or 701/33.1.ccls. or 701/33.2.ccls. or 701/33.3.ccls. or 701/33.4.ccls. or 701/33.5.ccls. or 701/33.6.ccls. or 701/33.7.ccls. or 701/33.8.ccls. or 701/33.9.ccls. or 701/34.1.ccls. or 701/34.2.ccls. or 701/34.3.ccls. or 701/34.4.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.