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Patents > Year granted: 1912 & CPCs : CPC B64C17/00 or None

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Year granted:
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Applicant is inventor:
Tech fields:
airplane (145) · stability (112) · None (104) · automatic stability (59) · design (43) · Frame (35) · subsystem (35) · Aerodynamics (34) · wings (31) · control (26) · propulsion (25) · equilibrium (24) · LTA (22) · construction (22) · Whole (21) · propellers (18) · navigation (15) · pendulum (15) · propeller (13) · piloting (13)
Full specification filed date:
Application number:
None (210) · propeller (2)
Granted:
Supplementary to patent:
None (270) · Patent BE-1911-05-15 Georges de Bothezat (4) · Patent US-1910-1041876 (3) · Patent FR-1909-403985 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent GB-1909-26034 (3)
Patent agent:
None (240) · None (8) · Marks & Clerk (5) · J. Bonnet-Thirion (5) · Armengaud jeune (4) · Victor J. Evans (4) · Paul Coulomb (3) · Munn & Co. (3) · Haseltine, Lake & Co. (3) · E. Blétry (3) · De Visscher et Graetz (3) · H. Kirchhofer (3)
National tech categories:
None (93) · FR 6.4 (75) · HU V/h (30) · AT 77d (22) · RU Group V (17) · BE K (15) · USPC 244/80 (14) · DE 77h.5 (9) · CH 129b (9) · USPC 244/147 (7) · USPC 244/93 (7) · USPC 244/139 (6) · DK 77 (4)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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