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Patents > Office: US & Tech fields : Flapping or propeller

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Office: (Click arrow to add another value)
Inventor location:
None (419) · New York state (7) · New York (7) · Pennsylvania (7) · New York county (7) · New York City (7) · PA (5) · Missouri (4) · Allegheny county, Pennsylvania (4) · FIPSloc=36061 (4) · Pittsburgh (4) · Ohio (3) · NY (3) · West Virginia (3) · New Jersey (3) · Minneapolis, Minnesota (3) · Minnesota (3) · St. Louis (3)
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Application number:
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Supplementary to patent:
None (457) · Patent US-1916-1208684 (2) · Patent GB-1909-12556 (2)
Related to aircraft:
Patent agent:
None (150) · Munn & Co. (41) · Victor J. Evans (17) · None (13) · C. A. Snow & Co. (7) · Watson E. Coleman (6) · H. C. Evert & Co. (6) · R. S. & A. B. Lacey (5) · Michael J. Stark & Sons (4) · Joshua R. H. Potts (4) · B. Singer (4) · Knight Bros. (4) · A. B. Willson & Co. (3) · Foster, Freeman, Watson & Coit (3) · Franklin H. Hough (3) · 0 (3) · John P. Tarbox (3) · Geo. H. Strong (3)
Assigned to:
None (462)
National tech categories:
None (119) · USPC 244/22 (36) · USPC 244/64 (21) · USPC 244/72 (19) · USPC 244/28 (18) · USPC 244/6 (13) · USPC 244/11 (13) · USPC 244/30 (13) · USPC 244/51 (11) · USPC 244/66 (11) · USPC 244/73R (10) · USPC 244/13 (9) · USPC 244/26 (9) · USPC 244/20 (8) · USPC 244/25 (8) · USPC 244/45R (7) · USPC 244/35R (7) · USPC 244/87 (7)
IPCs:
None (394) · IPC B64C33/00 (18) · IPC B64B1/00 (13) · IPC B64C33/02 (11) · IPC B64C11/04 (6) · IPC B64C39/00 (5) · IPC B64C11/20 (4) · IPC B64C11/36 (3) · IPC B64C27/00 (3) · IPC B64B1/40 (3) · IPC B64C3/00 (3)
CPCs:
CPC B64B1/00 (61) · CPC B64C33/02 (60) · CPC B64C23/005 (28) · CPC B64C11/006 (25) · CPC B64C39/005 (20) · CPC B64C11/48 (17) · CPC B64C2700/6295 (17) · CPC B64C33/00 (16) · None (14) · CPC B64C11/36 (12) · CPC B64C31/04 (11) · CPC B64C39/08 (11) · CPC B64C17/00 (10) · CPC B63H1/12 (10) · CPC B64C9/00 (9) · CPC B64C27/82 (9) · CPC B64C3/385 (8)
First filing:
Citations from after 1930:

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