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Patents > IPCs : IPC B64C1/00 or IPC B64C33/02 & Number of text pages: 2-4

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Inventor location:
None (441) · Seine (17) · Paris (9) · Seine-et-Oise (5) · Hérault (5) · Rhône (4) · Loire (4) · Manche (3) · La Ricamarie (3) · Nièvre (3)
Applicant is inventor:
Tech fields:
stability (214) · airplane (193) · Automatic stability (84) · design (80) · None (71) · wings (59) · frame (55) · aerodynamics (54) · Control (51) · flapping (49) · construction (44) · subsystem (35) · equilibrium (34) · ornithopter (33) · propulsion (32) · fuselage (31) · Rudder (24) · gyroscope (22) · LTA (22) · navigation (21)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (323) · Patent FR-1912-446040 (4) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent BE-1910-12-28-Muehter (3)
Related to aircraft:
Patent agent:
None (96) · None (41) · Armengaud jeune (24) · E. Blétry (11) · J. Bonnet-Thirion (11) · Boult, Wade & Tennant (11) · J. Germain (10) · Haseltine, Lake & Co. (9) · Hippolyte Josse (8) · P. Follin (8) · Lavoix et Mosès (8) · Herbert Haddan & Co. (7) · de Bongé (7) · Dom. Casalonga (7) · Schwab (7)
National tech categories:
FR 6.4 (316) · None (118) · DE 77h.10 (19) · DE 77h.5 (13) · DE 77 (10) · FR 6.3 (10) · USPC 244/72 (4) · USPC 244/119 (4) · USPC 244/22 (3) · DE 77h (2) · FR 6.2 (2)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (212) · CPC B64C33/02 (147) · CPC B64C2700/6218 (144) · CPC B64C1/00 (74) · CPC B64C17/06 (49) · CPC B64C2700/6228 (35) · CPC B64C2700/6219 (34) · CPC B64C2700/6216 (34) · CPC B64C2001/0063 (23) · CPC B64C2001/0081 (13) · CPC B64C1/061 (10) · CPC B64C2700/6225 (9) · None (7) · CPC B64C1/06 (5) · CPC B64C1/08 (5) · CPC B64C1/068 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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