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Patents > IPCs: IPC B64C27/04 & CPCs: CPC B64C2700/6281 & Number of claims: 1-6

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Office:
Inventors:
Désiré Sival (3) · None (2) · Edmond-Louis Douhéret (2) · Alexis Beurrier (2) · Édouard-Jean Bigourdan (2) · Jesse James Dillon (2) · Charles Wolf (2) · Edwin Richard Mumford (2)
Inventor country:
Applicant person:
Désiré Sival (3) · Edmond-Louis Douhéret (2) · Édouard-Jean Bigourdan (2) · Alexis Beurrier (2) · Edwin Richard Mumford (2) · Jesse James Dillon (2) · Charles Wolf (2)
Applicant type:
Applicant is inventor:
Tech fields:
helicopter (35) · propulsion (14) · propellers (11) · airplane (10) · hybrid (10) · design (9) · None (8) · ascension (8) · lift (6) · frame (5) · control (4) · heavier-than-air (4) · sustentation (4) · stability (4) · HTA (4) · wings (4) · Construction (4) · whole (3) · wheels (3) · gyroscope (3)
Full specification filed date:
Application number:
Granted:
Related to aircraft:
Patent agent:
None (12) · None (5) · J. S. Withers & Spooner (3) · J. Germain (3) · Lavoix et Moses (2) · Y. Rabilloud et fils (2) · Brandon frères (2) · Browne & Co. (2) · C. Blétry (2) · Armengaud jeune (2) · G. Petiau (2) · Marks & Clerk (2) · G. de Mestral et F. Harlé (2)
IPCs: (Click arrow to add another value)
CPCs: (Click arrow to add another value)
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Citations from after 1930:
Number of text pages:
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