Drilldown: Patents

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Patents > Office : ES or FR or IT & Applicant firm : Société anonyme Astra AB or None & Related to aircraft: 1 & Family year: 1900 - 1999 & First filing: No

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Tech fields:
None (853) · airplane (159) · design (76) · Stability (68) · propellers (66) · frame (64) · propulsion (64) · LTA (47) · Subsystem (47) · wings (46) · construction (44) · lift (41) · Control (40) · Aerodynamics (31) · sustentation (26) · hybrid (26) · navigation (24) · steering (21) · landing (19) · chassis (18)
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Patent agent:
None (885) · None (36) · Armengaud jeune (27) · E. Blétry (20) · Brandon freres (16) · Dupont et Elluin (14) · J. Bonnet-Thirion (12) · Weismann et Marx (11) · Schwab (11) · Lavoix et Moses (11) · L. Chassevent (10) · G. Petiau (8) · J. Germain (8) · Matray freres et Cie (8) · Ad. Sturm (7) · Charles Dony (6) · Charles Assi (6)
IPCs:
None (878) · IPC B64C39/00 (53) · IPC B64C17/00 (45) · IPC B64C1/00 (32) · IPC B64C23/00 (20) · IPC B64C11/00 (19) · IPC B64C35/00 (16) · IPC B64C33/02 (16) · IPC B64B1/00 (13) · IPC B64C3/38 (10) · IPC B64C27/04 (9) · IPC G01S1/72 (9) · IPC B64B1/58 (8) · IPC B64C3/00 (8) · IPC B64C25/00 (7)
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Citations from after 1930:
Number of diagram pages:

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