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Patents > National tech categories : AT 77d or FR 6.3 or USPC 244/131

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Office:
Applicant is inventor:
Tech fields:
LTA (210) · navigation (157) · propulsion (156) · Airplane (153) · frame (93) · balloon (77) · construction (72) · stability (63) · wings (56) · design (56) · airship (55) · dirigible (54) · propellers (53) · aerostat (52) · None (41) · subsystem (39) · propeller (36) · balloons (35) · control (35) · safety (33)
Full specification filed date:
Application number:
None (655)
Granted:
Supplementary to patent:
None (598) · Patent FR-1907-377174 (3) · Patent FR-1909-420004 (3) · Patent FR-1878-124576 (3) · Patent FR-1881-142748 (3)
Related to aircraft:
Patent agent:
None (476) · Armengaud jeune (26) · Chassevent (25) · Blétry aîné (17) · Desnos (15) · Société Marillier et Robelet (14) · Armengaud aîné (12) · None (9) · Dieuaide (9) · Dumas (8) · Hippolyte Josse (8) · Société Louis Gudman et Cie (7) · Casalonga (7) · Émile Barrault (6) · Société Matray frères (6) · C. Blétry (6) · Josse (5) · Weismann et Marx (5) · Thirion (5) · Société Thirion et Bonnet (5)
National tech categories: (Click arrow to add another value)
IPCs:
None (640) · IPC B64B1/00 (56) · IPC B64C39/00 (12) · IPC B64C11/00 (9) · IPC B64C33/02 (9) · IPC B64C27/04 (8) · IPC B64B1/40 (7) · IPC B64B1/58 (7) · IPC B64C23/00 (4) · IPC B64C3/00 (4) · IPC B64C17/00 (3) · IPC B64C33/00 (2) · IPC B64C13/04 (2) · IPC B64C13/02 (2) · IPC B64C13/00 (2) · IPC B64C31/04 (2) · IPC B64C1/00 (2) · IPC B64C3/38 (2)
CPCs:
None (654) · CPC B64B1/00 (56) · CPC B64C33/02 (8) · CPC B64B1/58 (7) · CPC B64B1/40 (7) · CPC B64C39/005 (6) · CPC B64C2700/6281 (6) · CPC B64C39/00 (5) · CPC B64C23/005 (5) · CPC B64C2700/6295 (4) · CPC B64C17/00 (4) · CPC B64C3/385 (4) · CPC B64C1/26 (4) · CPC B64C27/12 (4) · CPC B64C11/001 (4) · CPC B64C13/00 (4) · CPC B64C27/04 (3) · CPC B64C11/006 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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