Patent US-1921-1372086

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The invention is "a simple and durable sheet metal [airplane] propeller that shall have blades preferably provided with thin edges adapted to minimize the resistance in operation and [reinforced] near the hub" and "adapted to be operated at high speed and withstand moisture and other adverse climatic conditions."

Tech classifications:

  • Inventor location (imputed from HistPat): New York county, NY (FIPSloc=36061)
  • Pick was: "a subject of the Emperor of Austria, and a resident of New York [City]."
  • Assignee location: Marquette, Michigan

Sources


Year filed 1917
Year granted 1921
Office US
Patent number 1372086
Inventors Alfred Pick
Inventor country US, AT
Applicant person Alfred Pick
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Propeller
English title Aerial propeller
Tech fields aerial propeller
Filing date August 22, 1917
Full specification filed date
Application number 187518/17
Grant date March 22, 1921
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number 187518
Patent agent
Assigned to Edward N. Breitung
National tech categories USPC 416/233, USPC 29/889.61
IPCs IPC B64C11/00, IPC B64C11/24
CPCs CPC Y10T29/49334, CPC B64C11/24
Family year 1917
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 48497781
INPADOC family ID 43543224
Number of text pages 2
Number of diagram pages 1
Number of figures 8
Number of claims 5