Drilldown: Patents

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Patents > Office : CH or DE or DK or IT or NO or US & Tech fields: frame & Granted: Yes & Assigned to : Sperry Gyroscope Company or None

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Supplementary to patent:
None (454) · Patent US-1909-970771 (5) · Patent FR-1908-393976 (3) · Patent GB-1913-16499 (3) · Patent SE-1906-23283 (2) · Patent FR-1906-363017 (2) · Patent FR-1899-Boinet (2) · Patent GB-1908-4519 (2) · Patent DE-1921-384750 (2) · Patent GB-1912-2540 (2) · Patent HU-1901-24148 (2) · Patent US-1910-1055379 (2) · Patent US-1913-04-21 George Raymond Lawrence (2)
Related to aircraft:
Patent agent:
None (335) · Munn & Co. (20) · Victor J. Evans (13) · R. S. & A. B. Lacey (6) · E. Blum & Co. (6) · C. A. Snow & Co. (5) · None (4) · H. Kirchhofer (4) · Watson E. Coleman (3) · John P. Tarbox (3) · Noyes & Harriman (3) · 1 (3)
Assigned to: (Click arrow to add another value)
National tech categories:
DE 77h.5 (51) · None (35) · USPC 244/22 (19) · DE 77 (19) · USPC 244/90R (14) · CH 129b (14) · USPC 244/153R (14) · IT 8 (14) · USPC 244/30 (13) · DE 77h (13) · DK 77 (13) · DE 77h.9 (13) · USPC 244/64 (12) · USPC 244/6 (10) · USPC 244/46 (9) · USPC 244/13 (9) · USPC 244/28 (9) · USPC 244/87 (9)
IPCs:
None (375) · IPC B64C3/00 (29) · IPC B64B1/00 (24) · IPC B64C39/00 (13) · IPC B64C25/00 (8) · IPC B64C33/02 (8) · IPC B64C33/00 (7) · IPC B64C1/00 (7) · IPC B64C3/18 (6) · IPC B64C31/00 (6) · IPC B64C31/06 (6) · IPC B64B1/58 (6) · IPC B64B1/40 (5) · IPC B64C3/38 (5) · IPC B64C35/00 (5) · IPC B64C1/26 (4) · IPC B64C3/56 (4)
CPCs:
None (101) · CPC B64B1/00 (50) · CPC B64C33/02 (31) · CPC B64C2700/6295 (27) · CPC B64C13/00 (24) · CPC B64C3/00 (24) · CPC B64C23/005 (23) · CPC B64C39/005 (18) · CPC B64C3/385 (16) · CPC A63H27/08 (16) · CPC B64C39/08 (16) · CPC B64C17/00 (14) · CPC B64B1/40 (14) · CPC B64C2700/6235 (12) · CPC B64B1/58 (10) · CPC B64C33/00 (10) · CPC B64C39/00 (9) · CPC B64C3/40 (9)
First filing:
Citations from after 1930:

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