Patent IN-1912-522

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Year filed 1912
Year granted 1912
Office IN
Patent number 522
Inventors Isaac Bell
Inventor country GB, Ireland
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvement in machines for aerial flight
English title Machines for aerial flight
Tech fields flapping, ornithopter, frame, pendulum, stability
Filing date 1912-09-28
Full specification filed date
Application number
Grant date 1912-11-11
Granted? 1
Publication date
Supplementary to patent Patent GB-1911-12188
Related to aircraft? 1
Serial number
Patent agent H. V. Williams & Co.
Assigned to
National tech categories
IPCs
CPCs
Family year
First filing?
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 15
Number of diagram pages 10
Number of figures 20
Number of claims 22