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Patents > Office: FR & Applicant firm: None & Grant date: 1919

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Year granted:
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Inventors:
None (21) · Émile Letord (8) · Thomas Sloper (5) · Ettore Caretta (4) · Gianni Caproni (4) · Louis-Léon Astoux (3) · Alfred John Macy (3) · Jules Védrines (3) · René-Joseph-Ghislain Straunard (3)
Inventor country:
Applicant person:
DES MOTEURS SALMSON SYST CANTON UNNE (8) · Émile Letord (8) · Thomas Sloper (5) · Gianni Caproni (4) · Ettore Caretta (4) · Alfred John Macy (3) · Jules Védrines (3) · René-Joseph-Ghislain Straunard (3) · Louis-Léon Astoux (3)
Applicant firm: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
None (106) · airplane (43) · Design (20) · propellers (16) · stability (16) · construction (12) · frame (11) · control (11) · wings (9) · automatic stability (8) · propulsion (8) · motors (7) · military (7) · fuselage (6) · lift (6) · subsystem (6) · aerodynamics (6) · safety (5) · LTA (5)
Full specification filed date:
Application number:
None (14) · 490932D (2) · 494571D (2) · 496388D (2)
Granted:
Supplementary to patent:
None (170) · Patent GB-1915-15085 (2) · Patent IT-1916-07-14 (2)
Related to aircraft:
Assigned to:
IPCs:
None (94) · IPC B64C17/00 (14) · IPC B64C3/00 (12) · IPC B64C1/00 (9) · IPC B64C11/00 (6) · IPC B64C3/18 (6) · IPC B64C27/04 (5) · IPC B64C35/00 (5) · IPC B64C13/12 (4) · IPC B64C39/00 (4) · IPC B64C33/02 (3) · IPC B64B1/62 (3) · IPC B64B1/00 (3) · IPC B64C3/38 (3) · IPC B64C23/00 (3)
CPCs:
CPC B64C3/00 (19) · CPC B64C17/00 (15) · CPC B64C39/00 (15) · CPC B64C2700/6235 (14) · CPC B64C23/005 (14) · CPC B64C2700/6295 (13) · CPC B64C2700/6274 (11) · CPC B64C35/00 (9) · CPC B64C2700/6212 (7) · CPC B64C33/02 (7) · CPC B64C2001/0063 (6) · CPC B64C11/00 (6) · CPC B64C11/205 (5) · CPC B64B1/00 (5)
First filing:
Citations from after 1930:
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