Patent US-1911-989834

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Cone shaped aeroplane, opening downward; blower at vessel center takes in air from above and expels it downward to the underside of the primary aeroplane – this under-air is said to promote lift and stability both; air may additionally be propelled through an adjustable directional tube, for the purpose of steering the vessel Inventor location (imputed by HistPat): New York, New York county, NY (FIPSloc=36061)

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Year filed 1907
Year granted 1911
Office US
Patent number 989834
Inventors Joseph I C Clarke
Inventor country US
Applicant person Joseph I C Clarke
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Airship
English title Airship
Tech fields airplane, frame, wheels, stability, propulsion, navigation, car
Filing date 1907-01-17
Full specification filed date
Application number 1907352751
Grant date 1911-04-18
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number 352751
Patent agent
Assigned to
National tech categories USPC 244/23R
IPCs
CPCs CPC B64C29/0025
Family year 1907
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages
Number of diagram pages
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Number of claims