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Patents > Tech fields : Hybrid or construction & National tech categories: FR 6.4

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None (373) · Seine (16) · Seine-et-Oise (7) · Nord (7) · Paris (5) · Hérault (5) · Lorient (3) · Morbihan (3) · Calvados (3) · Loir-et-Cher (2) · Nièvre (2) · Guérigny (2) · Montpellier (2) · Maine-et-Loire (2) · Charente-Inférieure (2) · Cambrai (2)
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Full specification filed date:
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Supplementary to patent:
None (253) · Patent FR-1909-410140 (5) · Patent FR-1908-405961 (5) · Patent FR-1907-373818 (5) · Patent FR-1908-407090 (4) · Patent BE-1909-219837 (2) · Patent FR-1909-408872 (2) · Patent FR-1909-404844 (2) · Patent FR-1909-403418 (2) · Patent FR-1911-419438 (2) · Patent FR-1911-429224 (2) · Patent FR-1911-432053 (2) · Patent FR-1911-448337 (2) · Patent FR-1915-478440 (2) · Patent GB-1912-26911 (2) · Patent GB-1912-7553 (2) · Patent FR-1910-414695 (2)
Related to aircraft:
Patent agent:
Armengaud jeune (69) · None (48) · None (28) · Weismann et Marx (14) · Dupont et Elluin (14) · Hippolyte Josse (13) · G. de Mestral et F. Harlé (13) · Lavoix et Mosès (11) · J. Germain (10) · J. Bonnet-Thirion (10) · Charles Dony (9) · Schwab (9) · H. Bœttcher fils (8) · E. Blétry (8) · L. Chassevent (8) · Boramé et Julien (7)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C39/00 (47) · IPC B64C23/00 (37) · IPC B64B1/00 (36) · IPC B64C1/00 (32) · IPC B64C3/00 (27) · IPC B64C17/00 (23) · IPC B64B1/58 (17) · IPC B64C35/00 (16) · IPC B64C25/00 (15) · IPC B64C33/02 (13) · IPC B64C3/18 (13) · IPC B64C27/04 (13) · IPC B64C11/04 (8) · IPC B64C3/54 (8) · IPC B64C3/38 (8) · IPC B64C3/26 (8) · None (8) · IPC B64C3/52 (6) · IPC B64C33/00 (6)
CPCs:
CPC B64C39/00 (38) · CPC B64C23/005 (37) · CPC B64B1/00 (35) · CPC B64C2700/6295 (28) · CPC B64C3/00 (27) · CPC B64C2700/6274 (23) · CPC B64C17/00 (23) · CPC B64B1/58 (17) · CPC B64C33/02 (14) · CPC B64C35/00 (13) · CPC B64C25/06 (13) · CPC B64C2700/6218 (11) · CPC B64C2700/6233 (10) · CPC B64C27/04 (10) · CPC B64C2700/6235 (10) · CPC B64F2700/6226 (10) · CPC B64C2001/0063 (9) · CPC B64C1/00 (9) · CPC B64C3/18 (9)
First filing:
Citations from after 1930:
Number of diagram pages:

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