Patent GB-1911-22789

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  • Inventor location: Thurman, Fremont county, Iowa, USA ; occupation Gentleman

Sources


Year filed 1911
Year granted 1912
Office GB
Patent number 22789
Inventors Albert Valentine
Inventor country US
Applicant person Albert Valentine
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Improvements in and relating to Flying Machines
English title Helicopter
Tech fields helicopter
Filing date October 16, 1911
Full specification filed date
Application number 191122789D
Grant date September 26, 1912
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent J. S. Withers
Assigned to
National tech categories
IPCs IPC B64C27/32
CPCs CPC B64C27/32
Family year 1911
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 23623128
INPADOC family ID 11112855
Number of text pages 3
Number of diagram pages 2
Number of figures 5
Number of claims 1