Patent DE-1916-347803

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  • Inventor location: Dresden
  • Extraordinary delay -- example

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Year filed 1916
Year granted 1922
Office DE
Patent number 347803
Inventors Curt Pinkert
Inventor country DE
Applicant person Curt Pinkert
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Propeller fuer Luft- und Wasserfahrzeuge
English title Propellers for air and water vehicles
Tech fields aerial propeller, marine propeller
Filing date 1916-09-24
Full specification filed date
Application number 347803D
Grant date 1922-01-23
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories DE 77h.6
IPCs IPC B64C11/16
CPCs CPC B64C11/16
Family year 1916
First filing? 1
Cites these patents
Citations from after 1930
Application ID 10806244
INPADOC family ID 10080569
Number of text pages 1
Number of diagram pages 0
Number of figures 0
Number of claims 1