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Patents > National tech categories : FR 6.2 or FR 6.3 or USPC 244/51

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Office:
Inventor country:
Applicant is inventor:
Tech fields:
propulsion (200) · LTA (184) · navigation (162) · propellers (85) · balloon (65) · aerostat (53) · dirigible (53) · Airplane (52) · marine (41) · construction (41) · None (39) · stability (38) · Airship (37) · Design (35) · propeller (33) · ascension (32) · balloons (27) · control (26) · safety (25) · frame (24)
Full specification filed date:
Application number:
None (464) · 423792D (2)
Granted:
Supplementary to patent:
None (517) · Patent FR-1841-9265 (6) · Patent FR-1910-423792 (5) · Patent FR-1881-142748 (3) · Patent FR-1907-377174 (3) · Patent FR-1878-124576 (3) · Patent FR-1910-424987 (3)
Related to aircraft:
Patent agent:
None (252) · Armengaud jeune (32) · Chassevent (25) · Blétry aîné (17) · Desnos (15) · None (15) · Société Marillier et Robelet (14) · Dom. Casalonga (12) · Armengaud aîné (12) · Dieuaide (9) · Dumas (8) · Hippolyte Josse (8) · Weismann et Marx (8) · C. Blétry (7) · Casalonga (7) · Société Louis Gudman et Cie (7) · Société Thirion et Bonnet (6) · Émile Barrault (6) · Thirion (6) · Société Matray frères (6)
National tech categories: (Click arrow to add another value)
IPCs:
None (440) · IPC B64B1/00 (61) · IPC B63H1/12 (20) · IPC B64C11/00 (20) · IPC B64C39/00 (15) · IPC B64C9/00 (13) · IPC B64C33/02 (10) · IPC B64C27/04 (8) · IPC B64B1/40 (7) · IPC B64C23/00 (6) · IPC B64C11/16 (6) · IPC B64B1/58 (6) · IPC B64C17/00 (4) · IPC B64C11/04 (4) · IPC B63H1/36 (3) · IPC B63H3/00 (3)
CPCs:
None (410) · CPC B64B1/00 (61) · CPC B64C9/00 (33) · CPC B64C11/006 (15) · CPC B63H1/26 (12) · CPC B64C33/02 (10) · CPC B64C11/16 (9) · CPC B64C23/005 (8) · CPC B64B1/40 (7) · CPC B64C39/005 (7) · CPC B63H2001/122 (7) · CPC B64C2700/6281 (6) · CPC B64B1/58 (6) · CPC B64C39/00 (6) · CPC B64C2700/6295 (5) · CPC B64C27/12 (5) · CPC B63H1/12 (5)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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