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Patents > Filing date: 1912 & National tech categories: FR 6.4 & Number of text pages: 3-6000000

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Year filed:
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Inventors:
None (4) · Nazaire Lacrotte (3) · Albéric de la Celle (3) · Jacques-Marien Lecomte (2) · Eugène-Pierre-Félix-Auguste Coursin (2) · François d’Astanières (2) · Belton Tattnall Hamilton (2) · Ernest Bertin (2) · Paul Avezou (2) · Auguste Brieussel (2) · Gustav Mees (2) · Georges Guincêtre (2) · Henri-Hubert Pagny (2)
Inventor country:
Applicant person:
None (7) · Nazaire Lacrotte (3) · Albéric de la Celle (3) · Auguste Brieussel (2) · Paul Avezou (2) · Jacques-Marien Lecomte (2) · Georges Guincêtre (2) · François d’Astanières (2) · Eugène-Pierre-Félix-Auguste Coursin (2) · Ernest Bertin (2) · Belton Tattnall Hamilton (2) · Gustav Mees (2)
Applicant is inventor:
Tech fields:
None (58) · airplane (40) · stability (19) · design (14) · construction (10) · aerodynamics (9) · frame (9) · wings (8) · LTA (7) · Propellers (7) · automatic stability (7) · navigation (6) · helicopter (5) · instrument (5) · lift (5) · sustentation (4) · chassis (4) · propulsion (4) · whole (4)
Full specification filed date:
Application number:
None (14)
Grant date:
Granted:
Supplementary to patent:
None (84) · Patent FR-1911-448574 (2)
Related to aircraft:
Patent agent:
None (19) · Armengaud jeune (9) · None (8) · Dupont et Elluin (7) · E. Blétry (6) · Weismann et Marx (5) · Brandon frères (5) · J. Bonnet-Thirion (5) · Ch. Mardelet (4) · H. Bœttcher fils (4) · Gaston Rose (4) · G. Petiau (4) · Société A. Frey et de Carsalade (4) · Charles Assi (3) · Charles Dony (3) · P. Follin (3) · Dom. Casalonga (3) · Schwab (3)
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National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C17/00 (40) · IPC B64C1/00 (26) · IPC B64C39/00 (21) · IPC B64C3/38 (6) · IPC B64C13/00 (5) · IPC B64C3/00 (5) · IPC B64C25/00 (4) · IPC B64B1/00 (4) · IPC B64C11/00 (4) · IPC B64C3/56 (3) · IPC B64C35/00 (3) · IPC B64C27/04 (3) · IPC B64D25/04 (3) · IPC B64C33/02 (2) · IPC B64D17/78 (2) · IPC F41G3/24 (2) · IPC B64D1/04 (2) · None (2) · IPC B64C11/16 (2) · IPC B64C23/00 (2)
CPCs:
CPC B64C17/00 (40) · CPC B64C2700/6218 (14) · CPC B64C39/00 (14) · CPC B64C2700/6295 (12) · CPC B64C3/385 (6) · CPC B64C2700/6214 (6) · CPC B64C2700/6219 (5) · CPC B64C13/00 (5) · CPC B64C2700/6212 (5) · CPC B64C39/08 (4) · CPC B64C3/00 (4) · CPC B64B1/00 (4) · CPC B64C2700/6256 (4) · CPC B64C2700/6233 (4) · CPC B64F2700/6226 (4)
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First filing:
Citations from after 1930:
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