Drilldown: Patents

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Patents > Grant date: 1800 - 1899 & Number of figures: 2-4

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Office:
Inventor location:
None (279) · Illinois (3) · Ohio (2) · New Hampshire (2) · Michigan (2) · Massachusetts (2) · Leipzig (2) · Kansas (2) · Iowa (2) · Minnesota (2) · Tennessee (2) · Berlin (2) · Wisconsin (2)
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Related to aircraft:
Patent agent:
None (165) · Munn & Co. (37) · None (7) · John Wedderburn (4) · C. A. Snow & Co. (3) · A. Ritter (2) · Louis Bagger & Co. (2) · Henry Howson (2) · 1 (2)
Assigned to:
None (292)
National tech categories:
None (107) · DE 77 (47) · USPC 244/3.23 (19) · USPC 244/153R (9) · USPC 244/30 (8) · GB 4 propel & steer (6) · HU V/h (5) · USPC 416/113 (4) · USPC 244/155R (4) · USPC 244/28 (4) · USPC 244/25 (3) · USPC 244/3.1 (3) · USPC 244/3.3 (3) · USPC 244/31 (3) · USPC 416/194 (3) · USPC 244/73R (3) · GB 4 without buoyant (3) · USPC 244/97 (3) · FR 5 (3)
IPCs:
None (222) · IPC B64B1/00 (23) · IPC B64C31/06 (12) · IPC B64C31/00 (10) · IPC F42B10/00 (8) · IPC B64B1/58 (6) · IPC B64C33/02 (5) · IPC B64B1/62 (4) · IPC B64B1/06 (3) · IPC B64C23/00 (3) · IPC B64B1/40 (3) · IPC F42B10/34 (2) · IPC B64C39/00 (2) · IPC B64C3/00 (2) · IPC B64C29/00 (2) · IPC B64C3/38 (2)
CPCs:
None (64) · CPC B64B1/00 (23) · CPC B64C27/54 (18) · CPC B64C11/006 (17) · CPC F42B10/30 (15) · CPC B64C11/48 (14) · CPC B64C11/36 (13) · CPC Y02E10/74 (11) · CPC A63H27/08 (11) · CPC B64B1/40 (11) · CPC Y10T403/4677 (10) · CPC B64C11/04 (10) · CPC F16B2/02 (10) · CPC F03D3/00 (9) · CPC F16B2200/40 (9) · CPC B63H1/12 (9) · CPC Y02E10/72 (8) · CPC B64C33/02 (7) · CPC F05B2260/74 (7) · CPC Y02E10/223 (6)
First filing:
Cites these patents:
Citations from after 1930:
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