Drilldown: Patents

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Patents > Office : CH or US & Number of claims: 2-3

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Office: (Click arrow to add another value)
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None (563) · PA (6) · New York county (6) · New York City (6) · Allegheny county, Pennsylvania (6) · Pittsburgh (5) · California (4) · Missouri (4) · Pennsylvania (4) · Ohio (4) · New York (4) · Los Angeles (3) · New Jersey (3) · Brooklyn (3) · NYC (3) · NY (3) · Minnesota (3) · Budapest (3) · New York state (3)
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Supplementary to patent:
None (570) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent GB-1911-2636 (2) · Patent DE-1913-301564 (2) · 1912-01-23 (2)
Related to aircraft:
Assigned to:
None (591) · Moteurs Salmson (3) · General Electric Company (2) · 1 (2) · Société Anonyme des Établissements Nieuport (2)
IPCs:
None (489) · IPC B64B1/00 (22) · IPC B64C31/06 (12) · IPC B64C31/00 (12) · IPC B64C39/00 (10) · IPC B64C3/00 (7) · IPC F42B10/00 (7) · IPC B64C3/38 (6) · IPC B64C33/00 (6) · IPC B64C27/00 (6) · IPC B64B1/62 (5) · IPC B64C13/00 (4) · IPC B64C23/00 (4)
First filing:
Citations from after 1930:
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