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Patents > IPCs : IPC A45B19/10 or IPC B64C17/00 or IPC B64C25/00

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None (578) · Seine (11) · Loire (7) · Paris (4) · New York City (3) · La Ricamarie (3) · Nord (3) · Maine-et-Loire (2) · New York county (2) · Leeds (2) · Yorkshire (2) · Seine-et-Oise (2) · Budapest (2)
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Supplementary to patent:
None (389) · Patent FR-1908-396249 (5) · Patent FR-1909-420322 (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent IT-1915-150227 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1910-415470 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent GB-1909-8531‎ (3)
Related to aircraft:
Patent agent:
None (104) · None (36) · Armengaud jeune (33) · Marks & Clerk (22) · E. Blétry (18) · Charles Dony (16) · J. Bonnet-Thirion (13) · Schwab (11) · Hippolyte Josse (10) · Lavoix et Mosès (10) · J. Germain (10) · Matray frères et Cie (10) · P. Follin (9) · Abel & Imray (8) · Herbert Haddan & Co. (8) · Weismann et Marx (8) · L. Chassevent (7) · Brandon freres (7)
National tech categories:
FR 6.4 (389) · None (177) · DE 77h.5 (12) · USPC 244/80 (11) · DE 77h.9 (6) · USPC 244/100R (5) · FR 6.3 (3) · USPC 244/102R (3) · USPC 244/104R (3) · USPC 244/177 (2) · USPC 244/50 (2) · USPC 244/104CS (2) · USPC 244/93 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (505) · CPC B64C2700/6218 (184) · CPC B64C2700/6212 (109) · CPC B64F2700/6226 (69) · CPC B64C25/06 (65) · CPC B64C2700/6214 (61) · CPC B64C25/62 (39) · CPC B64C2700/6219 (29) · CPC B64C25/64 (27) · CPC B64C25/52 (23) · CPC B64C25/54 (18) · CPC B64C2700/6215 (15) · CPC B64C25/60 (9) · CPC B64C25/00 (6) · CPC B64C2700/6211 (5) · CPC B64C25/14 (5) · CPC B64C25/50 (4) · CPC B64C25/34 (4) · CPC B64C1/00 (4)
First filing:
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