Patent US-1911-994106

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Airplane with big plane extending to both sides of the front (i.e. forming two wings) and a smaller plane at the back, with a downward-pointing vertical fin extending between the two; baffle flanges prevent the air from spilling over the upper edges of the fin or body and direct it under the fear plane.

  • Inventor location: Montreal, Quebec, Canada


Year filed 1911
Year granted 1911
Office US
Patent number 994106
Inventors William Boyd Alexander
Inventor country CA
Applicant person William Boyd Alexander
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Aeroplane
English title Aeroplane
Tech fields airplane, frame, propeller, wheels, stability, airfoil
Filing date 1911-02-10
Full specification filed date
Application number 1911607824
Grant date 1911-06-06
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number 607824
Patent agent
Assigned to
National tech categories USPC 244/45R
CPCs CPC B64C2700/6295
Family year 1911
First filing?
Number of citations
Cited by
Application ID
INPADOC family ID 47461722
Number of text pages
Number of diagram pages
Number of figures
Number of claims