Description: 362 / (1) Microbiological Or Aeration (9) Aerobic (17) With Recirculation to Prior Step
Hierarchy/Derived subclasses
CIPO searches
search just 362/17- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((362/17 <IN> CPC) <OR> (362/18 <IN> CPC))
This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find
patents in those subclasses.