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:
- CPC B64C11/24 Hollow blades
- CPC Y10T29/49334 Utilizing hollow tube blank
- 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
- Patent 1372086 document and bibliographic info on espacenet
- Patent 1372086 at google patents
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 |