Description: 126 / (15) Enclosed Combustion Chamber (69) Ovens Or Chambers

Hierarchy/Derived subclasses

126 / 15-> 69-> 70
  -> 71
  -> 72
  -> 73
  -> 74-> 75-> 75.1
    -> 76
    -> 77
   -> 78-> 79
   -> 80-> 80.1
   -> 81-> 81.1
  -> 81.5

CIPO searches

search just 126/69

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((126/69 <IN> CPC) <OR> (126/70 <IN> CPC) <OR> (126/71 <IN> CPC) <OR> (126/72 <IN> CPC) <OR> (126/73 <IN> CPC) <OR> (126/74 <IN> CPC) <OR> (126/75 <IN> CPC) <OR> (126/75.1 <IN> CPC) <OR> (126/76 <IN> CPC) <OR> (126/77 <IN> CPC) <OR> (126/78 <IN> CPC) <OR> (126/79 <IN> CPC) <OR> (126/80 <IN> CPC) <OR> (126/80.1 <IN> CPC) <OR> (126/81 <IN> CPC) <OR> (126/81.1 <IN> CPC) <OR> (126/81.5 <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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