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Patents > Supplementary to patent : Patent FR-1916-502839 or None & Assigned to: None & IPCs : IPC B64C11/00 or IPC B64C3/18 or IPC B64C39/00

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Tech fields:
airplane (128) · propulsion (109) · design (90) · None (79) · propellers (73) · frame (70) · construction (57) · wings (52) · Stability (37) · aerodynamics (37) · control (30) · navigation (30) · Whole (29) · lift (26) · propeller (24) · Sustentation (23) · fuselage (23) · marine (20) · LTA (18)
Full specification filed date:
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Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Patent agent:
None (145) · None (35) · Armengaud jeune (24) · J. Germain (10) · Boult, Wade & Tennant (9) · Marks & Clerk (9) · J. Bonnet-Thirion (9) · Weismann et Marx (9) · Chassevent (7) · L. Chassevent (6) · Dupont et Elluin (6) · G. de Mestral et F. Harle (6) · Y. Rabilloud et fils (6) · Munn & Co. (5) · Brandon freres (5) · E. Blétry (5) · H. Bœttcher fils (5) · Dom. Casalonga (4) · C. Blétry (4)
Assigned to: (Click arrow to add another value)
National tech categories:
FR 6.4 (235) · None (154) · DE 77h.5 (13) · FR 6.3 (12) · USPC 244/45R (12) · FR 6.2 (11) · USPC 244/13 (9) · USPC 416/139 (5) · DE 77h.11 (4) · USPC 244/20 (4) · USPC 244/70 (4) · USPC 244/9 (4) · DE 77 (4) · USPC 244/65 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (189) · CPC B64C2700/6295 (185) · CPC B64C11/006 (70) · CPC B64C39/005 (49) · CPC B64C11/00 (35) · CPC B64C39/08 (34) · CPC B64C3/18 (29) · CPC B64C3/185 (20) · CPC B64C39/008 (17) · CPC B64C39/003 (9) · CPC B64D2700/62692 (8) · CPC B64C39/006 (8) · CPC B64C11/001 (8) · CPC B64C11/005 (6) · CPC B64C11/346 (5) · CPC B64C39/062 (4) · None (4) · CPC B64C3/385 (3) · CPC B64C3/187 (3) · CPC Y02E10/74 (3)
First filing:
Citations from after 1930:
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