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Patents > IPCs : IPC B64C13/00 or IPC B64C39/00 & Number of diagram pages: 1-3

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Tech fields:
None (245) · airplane (149) · control (71) · design (68) · frame (57) · stability (54) · wings (49) · propulsion (46) · construction (38) · steering (38) · propellers (31) · Lift (29) · whole (28) · navigation (27) · rudder (26) · aerodynamics (24) · biplane (17) · fuselage (17)
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Supplementary to patent:
None (407) · Patent US-1916-1208684 (3)
Related to aircraft:
Patent agent:
None (100) · Armengaud jeune (32) · None (31) · Marks & Clerk (24) · Weismann et Marx (14) · J. Bonnet-Thirion (12) · E. Blétry (11) · Boult, Wade & Tennant (11) · J. Germain (10) · Y. Rabilloud et fils (10) · Dupont et Elluin (9) · Brewer & Son (9) · Brandon frères (9) · Munn & Co. (8) · Borame et Julien (8) · L. Chassevent (7) · Haseltine, Lake & Co. (6) · G. de Mestral et F. Harle (6) · Charles Assi (6) · H. Boettcher fils (6)
National tech categories:
FR 6.4 (307) · None (178) · DE 77h.5 (21) · USPC 244/45R (11) · USPC 244/234 (8) · FR 6.3 (8) · USPC 244/70 (6) · USPC 244/13 (6) · USPC 244/233 (6) · DE 77h.11 (6) · USPC 244/231 (5) · FR 6.2 (4) · USPC 244/27 (4) · USPC 244/237 (3) · USPC 244/87 (3) · USPC 244/89 (3) · DE 77 (3) · DE 62b.15 (3) · USPC 244/225 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (273) · CPC B64C2700/6295 (227) · CPC B64C13/00 (153) · CPC B64C2700/6256 (98) · CPC B64C39/005 (52) · CPC B64C39/08 (40) · CPC B64C39/008 (24) · CPC B64C39/003 (14) · CPC B64C39/006 (8) · CPC B64C2700/6259 (7) · CPC B64C39/062 (4) · CPC B64C39/06 (4) · None (4) · CPC B64C3/56 (3)
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