Canadian Subclass Details

Description: 313 / (35) Cathode Ray Tube (35.2) Camera Tube (35.203) Secondary Emissive

Hierarchy/Derived subclasses

313 / 35

-> 35.2

-> 35.203

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search just 313/35.203

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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