Description: 70 / (12) Special Application (25) For Closures (35) For Doors, Gates, Windows (36) Combined with Independent Secondary Fastening Means

Hierarchy/Derived subclasses

70 / 12

-> 25

-> 35

-> 36

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search just 70/36

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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