Canadian Subclass Details

Description: 313 / (111) Envelope With Gas Or Vapor (119) Three or More Electrodes (122) Electrode in Discharge Space Between Electrodes (123) Interposed Apertured Electrode (e.g. Grid)

Hierarchy/Derived subclasses

313 / 111-> 119-> 122-> 123-> 124

CIPO searches

search just 313/123

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search hierarchy!

The "search hierarchy!" link will execute this search:
((313/123 <IN> CPC) <OR> (313/124 <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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