Patent GB-1912-13180

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Helicopter, with "elevating wheels," and shields around propellers

  • Inventor location: Superintendent, Mining Company ; Dahlonega, Georgia, US

Patent family descending from Patent US-1911-1009048

Sources


Year filed 1912
Year granted 1912
Office GB
Patent number 13180
Inventors Peter Pitcairn Carmichael
Inventor country US
Inventor location
Applicant person Peter Pitcairn Carmichael
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvements in Aerial Machines
English title Improvements in Aerial Machines
Tech fields helicopter
Filing date 1912-06-04
Full specification filed date
Application number 191213180D
Grant date 1912-09-26
Granted? 1
Publication date
Supplementary to patent Patent US-1911-1009048
Related to aircraft? 1
Serial number
Patent agent None
Assigned to
National tech categories
IPCs IPC B64C27/04
CPCs CPC B64C27/04, CPC B64C2700/6281
Family year 1912
First filing? 1
Cites these patents
Citations from after 1930
Application ID 23634699
INPADOC family ID 11122831
Number of text pages 3
Number of diagram pages 2
Number of figures 3
Number of claims 4