Patent FR-1855-13038

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Year filed 1855
Year granted 1855
Office FR
Patent number 13038
Inventors
Inventor country
Inventor location
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title
English title Helicopter, with precise “aperture” and other detailed information also included within patent(?), as inferred from cross-referencing of IPC and CPC classification
Tech fields helicopter
Filing date 1855-02-27
Full specification filed date
Application number
Grant date 1855-02-27
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories
IPCs IPC B64C27/04
CPCs CPC B65D39/00
Family year 1855
First filing?
Cites these patents
Citations from after 1930
Application ID 18722324
INPADOC family ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims

Sources

  • espacenet {{esp|FR|13038A espacenet] IPC B64C27/04 = “helicopters”
  • Inventor location: