Description: 355 / (27) Discharge Device Control Or Supply (44) Gas, Vapor or Liquid Electrode Type (E.g., Thyratron) (47) Igniting

Hierarchy/Derived subclasses

355 / 27	-> 44	-> 47	-> 48
			-> 49
			-> 50

CIPO searches

search just 355/47

- or -

search hierarchy!

The "search hierarchy!" link will execute this search:
((355/47 <IN> CPC) <OR> (355/48 <IN> CPC) <OR> (355/49 <IN> CPC) <OR> (355/50 <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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