Description: 126 / (15) Enclosed Combustion Chamber (69) Ovens Or Chambers (74) Elements (81) Atmosphere Control
Hierarchy/Derived subclasses
CIPO searches
search just 126/81- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((126/81 <IN> CPC) <OR> (126/81.1 <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.