Patent GB-1912-29170

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The front page of patent specification says there was a patent of addition 7586 dated March 26, 1910. It's this one: Patent GB-1910-7586

  • This patent is identical to and makes reference to the filing date of Patent FR-1911-424987.15931, the third certificate of addition to Patent FR-1910-424987.
  • Inventor dated the appilcation Dec 16, 1912; two days later it is recorded as filed at the patent office.


Year filed 1912
Year granted 1912
Office GB
Patent number 29170
Inventors Antoine-Padoue Filippi
Inventor country FR
Applicant person Antoine-Padoue Filippi
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Propeller applicable to Aerial and to Nautical Navigation
English title Aerial and marine propeller
Tech fields marine propeller, aerial propeller, propellers, propulsion, subsystem
Filing date December 18, 1912
Full specification filed date December 18, 1912
Application number 191229170D
Grant date December 18, 1913
Granted? 1
Publication date
Supplementary to patent Patent FR-1910-424987, Patent FR-1911-424987.15931
Related to aircraft? Yes
Serial number
Patent agent Wheatley & Mackenzie
Assigned to
National tech categories
IPCs IPC B64C11/16
CPCs CPC B64C11/16
Family year 1910
First filing? 1
Cites these patents Patent FR-1911-424987, Patent GB-1910-7586
Citations from after 1930
Application ID 23643966
INPADOC family ID 5908943
Number of text pages 2
Number of diagram pages 1
Number of figures 2
Number of claims 3