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Patents > Year filed: 1912 & Supplementary to patent: None & Number of figures: 5-8

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Year filed:
(There are no values for this filter)
Year granted:
Office:
Inventors:
None (5) · Bruno von Bültzingslöwen (5) · Arthur George Watkins (3)
Inventor country:
Applicant person:
None (9) · Bruno von Bültzingslöwen (5) · David James Beitzel (3) · Arthur George Watkins (3)
Applicant is inventor:
Tech fields:
airplane (46) · None (29) · stability (23) · design (13) · aerodynamics (11) · propellers (10) · safety (9) · frame (9) · LTA (8) · propulsion (8) · whole (8) · automatic stability (8) · construction (7) · navigation (7) · parachute (7) · landing (7) · rudder (7) · wings (7) · fuselage (7)
Full specification filed date:
Application number:
None (29)
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Supplementary to patent: (Click arrow to add another value)
Related to aircraft:
Patent agent:
None (37) · Armengaud jeune (8) · Victor J. Evans (8) · None (4) · H. Bœttcher fils (4) · Société A. Frey et de Carsalade (3) · Hippolyte Josse (3) · Dom. Casalonga (3) · Charles Assi (2) · Rigot et Prévost (2) · Goepel & Goepel (2) · Caïus Danzer (2) · G. H. Strong (2) · J. Bonnet-Thirion (2) · Coventry & Williams (2) · C. Baumann (2) · G. de Mestral et F. Harlé (2) · Brandon frères (2) · J. Germain (2)
National tech categories:
FR 6.4 (58) · None (28) · USPC 244/45R (6) · AT 77d (5) · USPC 244/48 (4) · HU V/h (4) · USPC 244/233 (3) · USPC 244/35R (3) · USPC 244/80 (3) · USPC 244/91 (2) · USPC 244/147 (2) · USPC 244/51 (2) · USPC 244/6 (2) · USPC 244/66 (2) · USPC 244/87 (2) · USPC 244/225 (2) · USPC 244/22 (2) · USPC 244/93 (2) · FR 6.2 (2) · CH 129b (2)
IPCs:
None (61) · IPC B64C39/00 (19) · IPC B64C17/00 (13) · IPC B64C1/00 (6) · IPC B64C3/00 (5) · IPC B64C35/00 (4) · IPC B64C33/00 (4) · IPC B64C3/38 (4) · IPC B64B1/00 (4) · IPC B64D17/00 (3) · IPC B64C11/16 (3) · IPC B64C25/00 (3) · IPC B64C11/18 (2) · IPC B64D17/54 (2) · IPC B64C13/00 (2) · IPC B64C11/00 (2) · IPC B64C23/00 (2) · IPC B64C27/04 (2) · IPC B64C3/54 (2)
CPCs:
CPC B64C17/00 (17) · CPC B64C2700/6295 (16) · None (15) · CPC B64C39/00 (11) · CPC B64C13/00 (8) · CPC B64C3/385 (8) · CPC B64C23/005 (7) · CPC B64B1/00 (5) · CPC B64C39/08 (5) · CPC B64C2700/6212 (4) · CPC B64C3/00 (4) · CPC B64C2700/6281 (3) · CPC B64C2700/6214 (3) · CPC B64C11/16 (3) · CPC B64C2700/6219 (3) · CPC B64C33/00 (3)
Family year:
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First filing:
Citations from after 1930:
Number of text pages:
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