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Patents > Office : MX or Other or None & First filing: Yes & Number of text pages: 4

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Tech fields:
airplane (126) · None (110) · stability (99) · frame (89) · Propulsion (66) · LTA (63) · navigation (61) · design (58) · wings (50) · Construction (45) · control (45) · propeller (42) · rudder (41) · propellers (35) · aerodynamics (26) · automatic stability (25) · wheels (24) · landing (22) · car (19) · balloon (19)
Full specification filed date:
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Supplementary to patent:
None (525)
Related to aircraft:
National tech categories:
None (231) · FR 6.4 (121) · USPC 244/80 (14) · USPC 244/90R (10) · HU V/h (8) · USPC 244/22 (7) · USPC 244/45R (6) · USPC 244/6 (6) · USPC 244/30 (6) · FR 5.8 (5) · USPC 244/233 (5) · FR 6.3 (5) · USPC 244/9 (5)
IPCs:
None (227) · IPC B64C17/00 (42) · IPC B64C39/00 (41) · IPC B64C1/00 (32) · IPC B64B1/00 (22) · IPC B64C23/00 (17) · IPC B64C3/38 (17) · IPC B64C13/00 (11) · IPC B64C3/00 (11) · IPC B64C33/02 (10) · IPC B64C27/04 (10) · IPC B64C33/00 (9) · IPC B64C35/00 (9) · IPC B64C25/00 (8) · IPC B64B1/58 (7) · IPC B64C3/56 (6) · IPC B64C11/00 (6) · IPC B64C3/18 (5) · IPC B64C13/12 (5)
First filing: (Click arrow to add another value)
Citations from after 1930:
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