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Patents > IPCs : IPC B64C 39/00 or IPC B64C39/00 & Number of claims: 4-90

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Office:
Inventors:
None (4) · Ruter William Springer (3) · Alfred-Eugène Pichou (3) · Louis Blériot (3) · Maurice-Émile Primard (3) · Isaac Bell (3)
Inventor country:
Applicant person:
None (9) · Isaac Bell (3) · Maurice-Émile Primard (3) · Alfred-Eugène Pichou (3) · Louis Blériot (3) · Ruter William Springer (3)
Applicant is inventor:
Tech fields:
None (80) · Airplane (58) · propulsion (27) · frame (25) · design (23) · Stability (20) · wings (17) · construction (17) · whole (14) · navigation (14) · propellers (12) · lift (11) · control (10) · aerodynamics (10) · wheels (8) · biplane (8) · airfoil (8)
Full specification filed date:
Application number:
None (14)
Granted:
Supplementary to patent:
None (136) · Patent FR-1916-502839 (3) · Patent US-1916-1208684 (3) · Patent FR-1909-403418 (2) · Patent FR-1902-326476 (2) · Patent US-1911-994106 (2) · Patent US-1910-996592 (2) · Patent FR-1910-421136 (2)
Related to aircraft:
Patent agent:
None (24) · Armengaud jeune (13) · None (11) · Marks & Clerk (9) · Boult, Wade & Tennant (8) · E. Blétry (6) · Munn & Co. (5) · Ch. Mardelet (4) · H. D. Fitzpatrick & Co. (4) · Dupont et Elluin (3) · J. Bonnet-Thirion (3) · J. Germain (3) · J. S. Withers & Spooner (3) · L. Chassevent (3) · Lavoix et Mosès (3) · Matray frères et Cie (3)
National tech categories:
FR 6.4 (83) · None (82) · USPC 244/45R (12) · USPC 244/13 (6) · FR 6.3 (5) · USPC 244/27 (3) · USPC 244/70 (3) · USPC 244/234 (2) · USPC 244/20 (2) · USPC 244/19 (2) · USPC 244/47 (2) · USPC 416/113 (2)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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