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Patents > Supplementary to patent : Patent FR-1916-502839 or None & Assigned to: None & IPCs : IPC B64C3/18 or IPC B64C39/00

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Tech fields:
airplane (112) · design (67) · None (65) · frame (65) · propulsion (57) · construction (53) · wings (46) · stability (33) · aerodynamics (30) · propellers (30) · Control (25) · Whole (24) · navigation (23) · lift (21) · fuselage (21) · aeroplane (18) · structure (16) · Sustentation (15) · monoplane (15)
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Supplementary to patent: (Click arrow to add another value)
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Patent agent:
None (96) · None (26) · Armengaud jeune (16) · J. Germain (9) · Marks & Clerk (8) · Weismann et Marx (8) · Boult, Wade & Tennant (6) · E. Bletry (5) · Dupont et Elluin (5) · Chassevent (5) · L. Chassevent (5) · Munn & Co. (5) · G. de Mestral et F. Harle (4) · Brandon freres (4) · J. Bonnet-Thirion (4)
Assigned to: (Click arrow to add another value)
National tech categories:
FR 6.4 (172) · None (120) · USPC 244/45R (12) · DE 77h.5 (10) · USPC 244/13 (9) · FR 6.3 (8) · DE 77h.11 (4) · USPC 244/9 (4) · USPC 244/70 (4) · USPC 244/20 (4) · FR 6.2 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (188) · CPC B64C2700/6295 (187) · CPC B64C39/005 (49) · CPC B64C39/08 (34) · CPC B64C3/18 (29) · CPC B64C3/185 (20) · CPC B64C39/008 (17) · CPC B64C39/003 (9) · CPC B64C39/006 (8) · CPC B64C39/062 (4) · CPC B64C3/385 (3) · CPC B64C3/187 (3) · None (3) · CPC Y10S244/903 (2) · CPC B64C3/00 (2) · CPC B64C39/06 (2)
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