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Patents > National tech categories : FR 6.2 or FR 6.3 or USPC 244/13

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Office:
Inventor country:
Applicant is inventor:
Tech fields:
propulsion (189) · LTA (167) · navigation (153) · propellers (83) · balloon (63) · airplane (60) · aerostat (53) · Dirigible (49) · construction (42) · stability (40) · marine (39) · None (39) · design (36) · Airship (35) · propeller (33) · Ascension (32) · Frame (28) · balloons (27) · safety (24)
Full specification filed date:
Application number:
None (452) · 423792D (2)
Granted:
Supplementary to patent:
None (507) · Patent FR-1841-9265 (6) · Patent FR-1910-423792 (5) · Patent FR-1907-377174 (3) · Patent FR-1910-424987 (3) · Patent FR-1878-124576 (3) · Patent FR-1881-142748 (3)
Related to aircraft:
Patent agent:
None (235) · Armengaud jeune (32) · Chassevent (25) · None (19) · Blétry aîné (17) · Desnos (15) · Société Marillier et Robelet (13) · Dom. Casalonga (12) · Armengaud aîné (12) · Hippolyte Josse (8) · Weismann et Marx (8) · Dieuaide (8) · Dumas (8) · C. Bletry (7) · Société Louis Gudman et Cie (6) · Casalonga (6) · Émile Barrault (6) · Société Matray frères (6) · Société Thirion et Bonnet (6) · Thirion (6)
National tech categories: (Click arrow to add another value)
IPCs:
None (421) · IPC B64B1/00 (59) · IPC B64C39/00 (24) · IPC B64C11/00 (22) · IPC B63H1/12 (20) · IPC B64C33/02 (11) · IPC B64C27/04 (8) · IPC B64B1/40 (7) · IPC B64C11/16 (6) · IPC B64B1/58 (6) · IPC B64C23/00 (5) · IPC B64C39/08 (4) · IPC B64C11/04 (4) · IPC B64C17/00 (4) · IPC B63H3/00 (3) · IPC B63H1/36 (3) · IPC B64C31/06 (3)
CPCs:
None (400) · CPC B64B1/00 (58) · CPC B64C2700/6295 (32) · CPC B64C11/006 (17) · CPC B63H1/26 (12) · CPC B64C39/08 (12) · CPC B64C33/02 (11) · CPC B64C11/16 (10) · CPC B64C39/00 (10) · CPC B64C39/005 (7) · CPC B63H2001/122 (7) · CPC B64B1/40 (7) · CPC B64C2700/6281 (6) · CPC B64C23/005 (6) · CPC B64B1/58 (6) · CPC B63H1/12 (5)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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