IPC B64C31/00

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Aéronefs prévus pour une sustentation sans moteur; Aéronefs du type pendulaire avec moteur de propulsion; Aéronefs du type ultra-léger

Frequently listed as classification for patents which under CPC are CPC A63H27/08, a special class for toys whose counterpart in the IPC, IPC A63H27/08, was not used (maybe because of its later addition to the system).

Enclosing categories IPC B64C
Subcategories IPC B64C31/02, IPC B64C31/028, IPC B64C31/04, IPC B64C31/06
Keywords Kite, Glider, CPC B64C31/00, CPC A63H27/08
Start year
End year


Patents in category IPC B64C31/00