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Patents > IPCs : IPC B64C1/00 or IPC B64C11/00 & Number of text pages: 2-9

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Tech fields:
None (227) · stability (162) · airplane (144) · propulsion (53) · automatic stability (50) · design (42) · propellers (42) · frame (36) · Construction (33) · wings (30) · control (29) · aerodynamics (27) · subsystem (27) · fuselage (25) · gyroscope (23) · equilibrium (22) · navigation (16) · propeller (15) · rudder (14) · Lift (14)
Full specification filed date:
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Supplementary to patent:
None (373) · Patent IT-1913-03-20 Vigilio Baldo (3) · Patent FR-1910-435648 (3) · Patent FR-1910-417989 (3) · Patent DE-1911-11-16 Otto Albin Budig (3)
Related to aircraft:
Patent agent:
None (108) · Armengaud jeune (34) · None (31) · J. Bonnet-Thirion (17) · Boult, Wade & Tennant (14) · E. Blétry (12) · Schwab (11) · Marks & Clerk (10) · Haseltine, Lake & Co. (9) · De Bongé (9) · Dom. Casalonga (8) · L. Chassevent (8) · Lavoix et Mosès (8) · Hippolyte Josse (8) · Charles Dony (7) · Boramé et Julien (7) · Herbert Haddan & Co. (7) · J. Germain (7) · G. Petiau (7)
National tech categories:
FR 6.4 (348) · None (174) · DE 77h.5 (15) · FR 6.2 (10) · FR 6.3 (8) · USPC 244/119 (4) · DE 77h.6 (4) · USPC 244/65 (3) · FR 5.8 (3) · USPC 416/139 (2) · DE 77 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (262) · CPC B64C2700/6218 (189) · CPC B64C11/006 (94) · CPC B64C1/00 (79) · CPC B64C17/06 (65) · CPC B64C11/00 (46) · CPC B64C2700/6216 (45) · CPC B64C2700/6228 (33) · CPC B64C2700/6219 (32) · CPC B64C2001/0063 (26) · CPC B64C2001/0081 (16) · CPC B64D2700/62692 (11) · CPC B64C2700/6225 (10) · CPC B64C1/061 (10) · CPC B64C11/001 (9) · CPC B64C11/005 (7) · CPC B64C1/06 (6) · CPC B64C1/08 (5)
First filing:
Citations from after 1930:
Number of text pages:
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