Description: 362 / (26) Ion Exchange (29) With Flow, Level or Pressure Responsive Valve
Hierarchy/Derived subclasses
CIPO searches
search just 362/29- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((362/29 <IN> CPC) <OR> (362/30 <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.