Drilldown: Patents

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Patents > Patent agent: None & CPCs : CPC B64C33/02 or CPC B64C35/00 or CPC B64C39/00 & Cites these patents : 1 or Patent GB-1909-25116 or USPC 244/48 or None

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Tech fields:
None (440) · Airplane (50) · frame (48) · flapping (43) · design (38) · propulsion (29) · stability (24) · navigation (24) · ornithopter (22) · Wings (22) · Construction (19) · hydroaeroplane (15) · marine (14) · rudder (13) · control (11) · wing (10)
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Supplementary to patent:
None (567) · Patent FR-1912-455471 (2) · Patent FR-1913-461629 (2)
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National tech categories:
None (415) · FR 6.4 (60) · USPC 244/22 (44) · DE 77h.10 (14) · DE 77h.9 (14) · DE 77 (13) · DE 77h.5 (9) · USPC 244/72 (9) · USPC 244/105 (6) · DE 77h (5) · USPC 244/101 (5) · DE 62b (3) · USPC 244/225 (2) · USPC 244/50 (2) · USPC 244/135R (2) · USPC 244/119 (2) · USPC 244/87 (2) · USPC 244/91 (2) · USPC 244/90R (2)
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