CPC B64C2700/6218

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This technology category had covered patents implementing automatically controlled aircraft stability by aerodynamical effects, propellers or other "pulse power sources".

This technological category in the Cooperative Patent Classification (CPC) system covered patents with "Codes corresponding to the former IdT classification of class 62".[1]

The category was abolished in 2017. Here's the way the class tree looked:[1]

References

This wiki has 235 patents in category "CPC B64C2700/6218".

Patents in category CPC B64C2700/6218


Enclosing categories CPC B64C2700/00, CPC B64C2700/6209
Subcategories CPC B64C2700/6219
Keywords
Start year
End year 2017