Drilldown: Patents

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Patents > Office : BE or US & Number of text pages: 2-3 & Number of figures: 5-7

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Office: (Click arrow to add another value)
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Tech fields:
frame (99) · airplane (96) · None (89) · propeller (80) · LTA (79) · propulsion (73) · navigation (48) · stability (48) · rudder (39) · hybrid (28) · safety (27) · airfoil (27) · flapping (26) · wheels (26) · landing (26) · construction (25) · parachute (23) · marine (23) · helicopter (22) · balloon (21)
Full specification filed date:
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Supplementary to patent:
None (512)
Related to aircraft:
Assigned to:
None (484) · Moteurs Salmson (3) · Sperry Gyroscope Company (3) · Curtiss Aeroplane and Motor Corporation (2) · L W F Engineering Company (2)
IPCs:
None (370) · IPC B64B1/00 (25) · IPC B64C39/00 (14) · IPC B64C33/00 (10) · IPC B64C3/00 (9) · IPC B64C25/00 (9) · IPC F42B10/00 (7) · IPC B64C31/00 (7) · IPC B64C31/06 (6) · IPC B64C27/00 (5) · IPC B64C23/00 (4) · IPC B64C1/00 (4) · IPC B64C17/00 (4) · IPC B64C3/18 (4) · IPC B64C11/20 (4)
First filing:
Citations from after 1930:
Number of text pages:
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