Description: 126 / (15) Enclosed Combustion Chamber (46) Direct Heating Type (57) Solid Fuel (61) Combustion Air and Flue Gas Circulation (63) Flue Gas Circulation

Hierarchy/Derived subclasses

126 / 15

-> 46

-> 57

-> 61

-> 63

-> 64

CIPO searches

search just 126/63

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((126/63 <IN> CPC) <OR> (126/64 <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.

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