Description: 122 / (36) Boilers And Water Heaters (101) Water Cooled Furnace (103) Tubular Walls (105) Wall Supports
Hierarchy/Derived subclasses
CIPO searches
search just 122/105- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((122/105 <IN> CPC) <OR> (122/106 <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.