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Patents > Office: FR & IPCs: None & Family year: 1910 - 1919 & First filing: No

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None (657) · stability (14) · airplane (13) · frame (7) · propulsion (6) · propellers (4) · piloting (4) · aileron (3) · airfoil (3) · flapping (3) · Helicopter (3) · control (3)
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CPCs:
CPC B64C39/00 (95) · CPC B64C2700/6295 (89) · CPC B64C17/00 (79) · CPC B64C23/005 (45) · CPC B64C2700/6274 (37) · CPC B64C3/385 (37) · CPC B64C33/02 (31) · CPC B64C35/00 (24) · CPC B64C2700/6212 (23) · CPC B64C2700/6218 (21) · CPC B64C13/00 (21) · CPC B64C1/00 (20) · CPC B64C3/00 (20) · CPC B64C2700/6256 (18) · None (18) · CPC B64C2700/6219 (17) · CPC B64C11/006 (14) · CPC B64C2700/6228 (14) · CPC B64C2700/6214 (14)
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