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Patents > CPCs : CPC B64C3/385 or CPC B64C39/005 or CPC F41A19/05

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Tech fields:
None (243) · airplane (101) · frame (54) · propulsion (53) · stability (44) · navigation (43) · propeller (26) · wings (26) · design (23) · Control (22) · LTA (21) · rudder (20) · wheels (18) · airfoil (18) · hybrid (17) · HTA (17) · construction (13) · propellers (13) · helicopter (13)
Full specification filed date:
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Supplementary to patent:
None (386) · Patent FR-1912-449167 (3) · Patent US-1916-1208684 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent FR-1908-392672 (3) · Patent US-1912-1062545 (3) · Patent US-1909-1137533 (2) · Patent FR-1912-457441 (2) · Patent FR-1908-398707 (2) · Patent GB-1911-12188 (2) · Patent FR-1902-326476 (2) · Patent DE-1909-244106 (2) · Patent SE-1917-46288 (2) · Patent CA-1910-131159 (2) · Patent CA-1909-126457 (2) · Patent US-1912-1077892 (2) · Patent BE-1912-04-05 (2)
Related to aircraft:
Patent agent:
None (168) · Munn & Co. (15) · None (15) · Armengaud jeune (13) · Haseltine, Lake & Co. (11) · J. S. Withers & Spooner (7) · Marks & Clerk (7) · E. Blétry (7) · Victor J. Evans (6) · Schwab (4) · C. A. Snow & Co. (4) · J. Bonnet-Thirion (4) · Émile Bert (3) · H. D. Fitzpatrick & Co. (3) · J. Germain (3) · Fisher & Moser (3) · W. H. Beck & Co. (3) · L. Chassevent (3) · Georges Faugé (3)
National tech categories:
None (183) · FR 6.4 (106) · USPC 244/48 (28) · USPC 244/20 (21) · USPC 244/70 (17) · USPC 244/9 (13) · DE 77h.5 (13) · USPC 244/99.11 (9) · USPC 244/119 (8) · USPC 244/38 (7) · USPC 244/90R (7) · FR 6.3 (6) · USPC 244/19 (5) · USPC 244/39 (4) · USPC 244/65 (3) · USPC 244/87 (3) · USPC 244/64 (3) · USPC 244/88 (3) · USPC 244/47 (3) · USPC 244/234 (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
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