Description: 355 / (27) Discharge Device Control Or Supply (28) X-Ray

Hierarchy/Derived subclasses

355 / 27-> 28-> 29
  -> 30
  -> 31
  -> 32
  -> 33
  -> 34
  -> 35
  -> 36
  -> 37

CIPO searches

search just 355/28

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((355/28 <IN> CPC) <OR> (355/29 <IN> CPC) <OR> (355/30 <IN> CPC) <OR> (355/31 <IN> CPC) <OR> (355/32 <IN> CPC) <OR> (355/33 <IN> CPC) <OR> (355/34 <IN> CPC) <OR> (355/35 <IN> CPC) <OR> (355/36 <IN> CPC) <OR> (355/37 <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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