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Patents > National tech categories : USPC 244/22 or None & Number of text pages: 3-5

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Office:
Inventor country:
GB (397) · US (308) · FR (191) · DE (83) · None (32) · IT (19) · AT (17) · CH (15) · AU (11) · BE (10) · CA (9) · RO (8) · RU (7) · HU (7) · NZ (6) · IE (5) · ES (4) · SE (4)
Applicant firm:
None (1008) · Blackburn Aeroplane and Motor Co. (12) · Curtiss Aeroplane (10) · Sopwith Aviation Company Limited (7) · Curtiss Aeroplane and Motor Corporation (5) · Sperry Gyroscope Company (5) · Varioplane Company (4) · Blackburn Aeroplane & Motor Co. (4) · Société anonyme Astra (3) · Grand Rapids Trust Company (3) · Westinghouse Electric & Manufacturing Company (3) · Tarbox Safety Aircraft Company (3) · Planes Ltd. (2) · Lawrence Sperry Aircraft Company, Inc. (2) · Curtiss Aeroplane & Motor Corporation (2) · Ordnance Engineering Corp. (2) · William Beardmore & Co. (2) · Vickers Ltd. (2) · British and Colonial Aeroplane Co. (2)
Applicant is inventor:
Application number:
Granted:
Related to aircraft:
Assigned to:
None (1086) · Sperry Gyroscope Company (5) · Curtiss Aeroplane (2) · Curtiss Aeroplane and Motor Corporation (2) · Varioplane Company (2) · Westinghouse Electric & Manufacturing Company (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (402) · IPC B64C39/00 (73) · IPC B64C17/00 (68) · IPC B64C1/00 (58) · IPC B64C3/00 (32) · IPC B64C13/00 (31) · IPC B64C35/00 (29) · IPC B64C3/38 (28) · IPC B64C11/00 (24) · IPC B64C23/00 (22) · IPC B64B1/00 (22) · IPC B64C27/04 (21) · IPC B64C33/02 (15) · IPC B64C33/00 (14) · IPC B64C3/18 (13) · IPC B64C25/00 (13) · IPC B64C3/54 (13) · IPC B64B1/58 (12) · IPC B64C17/06 (11)
First filing:
Cites these patents:
None (1096) · Patent GB-1914-23502 (2) · Patent GB-1909-3202 (2) · Patent GB-1912-15735 (2) · Patent GB-1913-5223 (2) · Patent GB-1912-5966 (2)
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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