Patent IT-1908-94217

From Inventing aviation
Jump to navigation Jump to search

Could relate to Patent IT-1908-94928 by Bertelli, filed a month later.

  • Inventor location: Brescia
  • Registro attestati: 282/212


Year filed 1908
Year granted
Office IT
Patent number 94217
Inventors Achille Bertelli, Achille Bertelli fu Alessandro
Inventor country IT
Applicant person
Applicant firm
Applicant type
Applicant is inventor?
Original title Elicoptero per navigazione aerea ad eliche speciali paraboliche con dispositivi lancianti e paracadute
English title Helicopter using parabolic propeller, with methods for launch and parachute
Tech fields helicopter, propeller, takeoff, parachute
Filing date 1908-03-09
Full specification filed date
Application number
Grant date
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories IT 8
Family year
First filing?
Cites these patents
Citations from after 1930
Application ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims